15551006090 has 32 divisors (see below), whose sum is σ = 28626704640. Its totient is φ = 6079679424.

The previous prime is 15551006089. The next prime is 15551006111. The reversal of 15551006090 is 9060015551.

It is a super-2 number, since 2×15551006090² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324944 + ... + 369716.

It is an arithmetic number, because the mean of its divisors is an integer number (894584520).

Almost surely, 2^15551006090 is an apocalyptic number.

15551006090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15551006090 is a deficient number, since it is larger than the sum of its proper divisors (13075698550).

15551006090 is a wasteful number, since it uses less digits than its factorization.

15551006090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45566.

The product of its (nonzero) digits is 6750, while the sum is 32.

The spelling of 15551006090 in words is "fifteen billion, five hundred fifty-one million, six thousand, ninety".