1551411513252 has 48 divisors (see below), whose sum is σ = 4022273169600. Its totient is φ = 517124934720.

The previous prime is 1551411513191. The next prime is 1551411513271. The reversal of 1551411513252 is 2523151141551.

1551411513252 is a `hidden beast` number, since 1 + 5 + 51 + 41 + 1 + 513 + 2 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 5196352 + ... + 5486792.

It is an arithmetic number, because the mean of its divisors is an integer number (83797357700).

Almost surely, 2^{1551411513252} is an apocalyptic number.

1551411513252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1551411513252 is an abundant number, since it is smaller than the sum of its proper divisors (2470861656348).

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

1551411513252 is a wasteful number, since it uses less digits than its factorization.

1551411513252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339913 (or 339905 counting only the distinct ones).

The product of its digits is 30000, while the sum is 36.

The spelling of 1551411513252 in words is "one trillion, five hundred fifty-one billion, four hundred eleven million, five hundred thirteen thousand, two hundred fifty-two".