551245051515 has 16 divisors (see below), whose sum is σ = 883014110208. Its totient is φ = 293656684896.

The previous prime is 551245051501. The next prime is 551245051541. The reversal of 551245051515 is 515150542155.

551245051515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 551245051515 - 2⁷ = 551245051387 is a prime.

It is a super-2 number, since 2×551245051515² (a number of 24 digits) contains 22 as substring.

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, 21278869 + ... + 21304758.

It is an arithmetic number, because the mean of its divisors is an integer number (55188381888).

Almost surely, 2^551245051515 is an apocalyptic number.

551245051515 is a deficient number, since it is larger than the sum of its proper divisors (331769058693).

551245051515 is a wasteful number, since it uses less digits than its factorization.

551245051515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42584498.

The product of its (nonzero) digits is 125000, while the sum is 39.

The spelling of 551245051515 in words is "five hundred fifty-one billion, two hundred forty-five million, fifty-one thousand, five hundred fifteen".