11295725731 has 4 divisors (see below), whose sum is σ = 11326009552. Its totient is φ = 11265441912.

The previous prime is 11295725729. The next prime is 11295725741. The reversal of 11295725731 is 13752759211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11295725731 - 2¹ = 11295725729 is a prime.

It is a super-2 number, since 2×11295725731² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11295725741) 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, 15141351 + ... + 15142096.

It is an arithmetic number, because the mean of its divisors is an integer number (2831502388).

Almost surely, 2^11295725731 is an apocalyptic number.

11295725731 is a deficient number, since it is larger than the sum of its proper divisors (30283821).

11295725731 is an equidigital number, since it uses as much as digits as its factorization.

11295725731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30283820.

The product of its digits is 132300, while the sum is 43.

The spelling of 11295725731 in words is "eleven billion, two hundred ninety-five million, seven hundred twenty-five thousand, seven hundred thirty-one".