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11397115801 = 55931203771
BaseRepresentation
bin10101001110101001…
…00010111110011001
31002102021200110201001
422213110202332121
5141320130201201
65122531425001
7552300612601
oct124724427631
932367613631
1011397115801
114919413875
122260a55161
1310c8299206
147a1923c01
1546a883301
hex2a7522f99

11397115801 has 4 divisors (see below), whose sum is σ = 11397375504. Its totient is φ = 11396856100.

The previous prime is 11397115789. The next prime is 11397115823. The reversal of 11397115801 is 10851179311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11397115801 - 213 = 11397107609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11397115501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45955 + ... + 157816.

It is an arithmetic number, because the mean of its divisors is an integer number (2849343876).

Almost surely, 211397115801 is an apocalyptic number.

It is an amenable number.

11397115801 is a deficient number, since it is larger than the sum of its proper divisors (259703).

11397115801 is an equidigital number, since it uses as much as digits as its factorization.

11397115801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259702.

The product of its (nonzero) digits is 7560, while the sum is 37.

The spelling of 11397115801 in words is "eleven billion, three hundred ninety-seven million, one hundred fifteen thousand, eight hundred one".

Divisors: 1 55931 203771 11397115801