1551132902592 has 672 divisors, whose sum is σ = 5590496271360. Its totient is φ = 400330874880.

The previous prime is 1551132902573. The next prime is 1551132902603. The reversal of 1551132902592 is 2952092311551.

1551132902592 is a `hidden beast` number, since 1 + 5 + 51 + 1 + 3 + 2 + 9 + 0 + 2 + 592 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 474205917 + ... + 474209187.

It is an arithmetic number, because the mean of its divisors is an integer number (8319190880).

Almost surely, 2^{1551132902592} is an apocalyptic number.

1551132902592 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1551132902592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2795248135680).

1551132902592 is an abundant number, since it is smaller than the sum of its proper divisors (4039363368768).

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

1551132902592 is a wasteful number, since it uses less digits than its factorization.

1551132902592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3501 (or 3488 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 45.

The spelling of 1551132902592 in words is "one trillion, five hundred fifty-one billion, one hundred thirty-two million, nine hundred two thousand, five hundred ninety-two".