11628634555 has 8 divisors (see below), whose sum is σ = 14015835792. Its totient is φ = 9261924768.

The previous prime is 11628634517. The next prime is 11628634603. The reversal of 11628634555 is 55543682611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11628634555 - 2¹⁷ = 11628503483 is a prime.

It is a super-2 number, since 2×11628634555² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5121612 + ... + 5123881.

It is an arithmetic number, because the mean of its divisors is an integer number (1751979474).

Almost surely, 2^11628634555 is an apocalyptic number.

11628634555 is a deficient number, since it is larger than the sum of its proper divisors (2387201237).

11628634555 is a wasteful number, since it uses less digits than its factorization.

11628634555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10245725.

The product of its digits is 864000, while the sum is 46.

The spelling of 11628634555 in words is "eleven billion, six hundred twenty-eight million, six hundred thirty-four thousand, five hundred fifty-five".