551251354401 has 24 divisors (see below), whose sum is σ = 914356316640. Its totient is φ = 316507953600.

The previous prime is 551251354399. The next prime is 551251354411. The reversal of 551251354401 is 104453152155.

551251354401 is a `hidden beast` number, since 5 + 51 + 2 + 513 + 54 + 40 + 1 = 666.

It is not a de Polignac number, because 551251354401 - 2¹ = 551251354399 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (551251354411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146529580 + ... + 146533341.

It is an arithmetic number, because the mean of its divisors is an integer number (38098179860).

Almost surely, 2^551251354401 is an apocalyptic number.

It is an amenable number.

551251354401 is a deficient number, since it is larger than the sum of its proper divisors (363104962239).

551251354401 is a wasteful number, since it uses less digits than its factorization.

551251354401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293062957 (or 293062954 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 551251354401 in words is "five hundred fifty-one billion, two hundred fifty-one million, three hundred fifty-four thousand, four hundred one".