11107455621 has 16 divisors (see below), whose sum is σ = 15146515200. Its totient is φ = 7237130688.

The previous prime is 11107455607. The next prime is 11107455637. The reversal of 11107455621 is 12655470111.

It is not a de Polignac number, because 11107455621 - 2⁷ = 11107455493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11107455421) 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, 44415 + ... + 155523.

It is an arithmetic number, because the mean of its divisors is an integer number (946657200).

Almost surely, 2^11107455621 is an apocalyptic number.

It is an amenable number.

11107455621 is a deficient number, since it is larger than the sum of its proper divisors (4039059579).

11107455621 is a wasteful number, since it uses less digits than its factorization.

11107455621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111868.

The product of its (nonzero) digits is 8400, while the sum is 33.

The spelling of 11107455621 in words is "eleven billion, one hundred seven million, four hundred fifty-five thousand, six hundred twenty-one".