11616525465 has 16 divisors (see below), whose sum is σ = 19018684608. Its totient is φ = 6051398976.

The previous prime is 11616525413. The next prime is 11616525469. The reversal of 11616525465 is 56452561611.

It is not a de Polignac number, because 11616525465 - 2⁸ = 11616525209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11616525469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9004414 + ... + 9005703.

It is an arithmetic number, because the mean of its divisors is an integer number (1188667788).

Almost surely, 2^11616525465 is an apocalyptic number.

11616525465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11616525465 is a deficient number, since it is larger than the sum of its proper divisors (7402159143).

11616525465 is a wasteful number, since it uses less digits than its factorization.

11616525465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18010168.

The product of its digits is 216000, while the sum is 42.

The spelling of 11616525465 in words is "eleven billion, six hundred sixteen million, five hundred twenty-five thousand, four hundred sixty-five".