12551415540554 has 32 divisors (see below), whose sum is σ = 21107208560832. Its totient is φ = 5547460608000.

The previous prime is 12551415540533. The next prime is 12551415540563. The reversal of 12551415540554 is 45504551415521.

12551415540554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12551415540499 and 12551415540508.

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, 3628727 + ... + 6186314.

It is an arithmetic number, because the mean of its divisors is an integer number (659600267526).

Almost surely, 2^{12551415540554} is an apocalyptic number.

12551415540554 is a deficient number, since it is larger than the sum of its proper divisors (8555793020278).

12551415540554 is a wasteful number, since it uses less digits than its factorization.

12551415540554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9816662.

The product of its (nonzero) digits is 2000000, while the sum is 47.

The spelling of 12551415540554 in words is "twelve trillion, five hundred fifty-one billion, four hundred fifteen million, five hundred forty thousand, five hundred fifty-four".