11612610645 has 32 divisors (see below), whose sum is σ = 19424966400. Its totient is φ = 5924021312.

The previous prime is 11612610613. The next prime is 11612610677. The reversal of 11612610645 is 54601621611.

It is an interprime number because it is at equal distance from previous prime (11612610613) and next prime (11612610677).

It is not a de Polignac number, because 11612610645 - 2⁵ = 11612610613 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150691 + ... + 214319.

It is an arithmetic number, because the mean of its divisors is an integer number (607030200).

Almost surely, 2^11612610645 is an apocalyptic number.

11612610645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11612610645 is a deficient number, since it is larger than the sum of its proper divisors (7812355755).

11612610645 is an frugal number, since it uses more digits than its factorization.

11612610645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63706 (or 63660 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The spelling of 11612610645 in words is "eleven billion, six hundred twelve million, six hundred ten thousand, six hundred forty-five".