1551520052404 has 96 divisors (see below), whose sum is σ = 3162475366400. Its totient is φ = 652309106688.

The previous prime is 1551520052359. The next prime is 1551520052441. The reversal of 1551520052404 is 4042500251551.

It is a self number, because there is not a number n which added to its sum of digits gives 1551520052404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 308880637 + ... + 308885659.

Almost surely, 2^{1551520052404} is an apocalyptic number.

1551520052404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1551520052404 is an abundant number, since it is smaller than the sum of its proper divisors (1610955313996).

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

1551520052404 is a wasteful number, since it uses less digits than its factorization.

1551520052404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5889 (or 5887 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 1551520052404 in words is "one trillion, five hundred fifty-one billion, five hundred twenty million, fifty-two thousand, four hundred four".