11624564121 has 16 divisors (see below), whose sum is σ = 15699873600. Its totient is φ = 7650115328.

The previous prime is 11624564101. The next prime is 11624564123. The reversal of 11624564121 is 12146542611.

It is a cyclic number.

It is not a de Polignac number, because 11624564121 - 2¹⁵ = 11624531353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11624564123) 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, 5436 + ... + 152573.

It is an arithmetic number, because the mean of its divisors is an integer number (981242100).

Almost surely, 2^11624564121 is an apocalyptic number.

It is an amenable number.

11624564121 is a deficient number, since it is larger than the sum of its proper divisors (4075309479).

11624564121 is a wasteful number, since it uses less digits than its factorization.

11624564121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158328.

The product of its digits is 11520, while the sum is 33.

The spelling of 11624564121 in words is "eleven billion, six hundred twenty-four million, five hundred sixty-four thousand, one hundred twenty-one".