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11488025721 = 39374086811
BaseRepresentation
bin10101011001011110…
…10101110001111001
31002122121202011200010
422230233111301321
5142011413310341
65135540132133
7554453415234
oct125457256171
932577664603
1011488025721
114965766837
122287397049
131111079373
147ada2a41b
1547383e716
hex2acbd5c79

11488025721 has 8 divisors (see below), whose sum is σ = 15333718624. Its totient is φ = 7650508320.

The previous prime is 11488025701. The next prime is 11488025741. The reversal of 11488025721 is 12752088411.

It is an interprime number because it is at equal distance from previous prime (11488025701) and next prime (11488025741).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11488025721 - 29 = 11488025209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11488025721.

It is not an unprimeable number, because it can be changed into a prime (11488025701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2040595 + ... + 2046216.

It is an arithmetic number, because the mean of its divisors is an integer number (1916714828).

Almost surely, 211488025721 is an apocalyptic number.

It is an amenable number.

11488025721 is a deficient number, since it is larger than the sum of its proper divisors (3845692903).

11488025721 is an equidigital number, since it uses as much as digits as its factorization.

11488025721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4087751.

The product of its (nonzero) digits is 35840, while the sum is 39.

The spelling of 11488025721 in words is "eleven billion, four hundred eighty-eight million, twenty-five thousand, seven hundred twenty-one".

Divisors: 1 3 937 2811 4086811 12260433 3829341907 11488025721