12533015554 has 16 divisors (see below), whose sum is σ = 19241462592. Its totient is φ = 6119266608.

The previous prime is 12533015527. The next prime is 12533015567. The reversal of 12533015554 is 45551033521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385392 + ... + 416644.

It is an arithmetic number, because the mean of its divisors is an integer number (1202591412).

Almost surely, 2^12533015554 is an apocalyptic number.

12533015554 is a deficient number, since it is larger than the sum of its proper divisors (6708447038).

12533015554 is a wasteful number, since it uses less digits than its factorization.

12533015554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35961.

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 12533015554 in words is "twelve billion, five hundred thirty-three million, fifteen thousand, five hundred fifty-four".