11115925965 has 48 divisors (see below), whose sum is σ = 20293416000. Its totient is φ = 5613221376.

The previous prime is 11115925957. The next prime is 11115925969. The reversal of 11115925965 is 56952951111.

11115925965 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 59 + 2 + 596 + 5 = 666.

It is not a de Polignac number, because 11115925965 - 2³ = 11115925957 is a prime.

It is a super-2 number, since 2×11115925965² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 11115925965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11115925969) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2305237 + ... + 2310053.

It is an arithmetic number, because the mean of its divisors is an integer number (422779500).

Almost surely, 2^11115925965 is an apocalyptic number.

11115925965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11115925965 is a deficient number, since it is larger than the sum of its proper divisors (9177490035).

11115925965 is a wasteful number, since it uses less digits than its factorization.

11115925965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7546 (or 7543 counting only the distinct ones).

The product of its digits is 121500, while the sum is 45.

The spelling of 11115925965 in words is "eleven billion, one hundred fifteen million, nine hundred twenty-five thousand, nine hundred sixty-five".