551460061521140 has 24 divisors (see below), whose sum is σ = 1168690589099880. Its totient is φ = 218560317959808.

The previous prime is 551460061521139. The next prime is 551460061521179. The reversal of 551460061521140 is 41125160064155.

It can be written as a sum of positive squares in 4 ways, for example, as 286251410509156 + 265208651011984 = 16918966^2 + 16285228^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126481663307 + ... + 126481667666.

It is an arithmetic number, because the mean of its divisors is an integer number (48695441212495).

Almost surely, 2^{551460061521140} is an apocalyptic number.

It is an amenable number.

551460061521140 is an abundant number, since it is smaller than the sum of its proper divisors (617230527578740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551460061521140 is a wasteful number, since it uses less digits than its factorization.

551460061521140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252963331091 (or 252963331089 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 41.

The spelling of 551460061521140 in words is "five hundred fifty-one trillion, four hundred sixty billion, sixty-one million, five hundred twenty-one thousand, one hundred forty".