1551056061596 has 24 divisors (see below), whose sum is σ = 2723954688000. Its totient is φ = 772787906352.

The previous prime is 1551056061571. The next prime is 1551056061613. The reversal of 1551056061596 is 6951606501551.

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, 770405 + ... + 1922403.

It is an arithmetic number, because the mean of its divisors is an integer number (113498112000).

Almost surely, 2^{1551056061596} is an apocalyptic number.

It is an amenable number.

1551056061596 is a deficient number, since it is larger than the sum of its proper divisors (1172898626404).

1551056061596 is a wasteful number, since it uses less digits than its factorization.

1551056061596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153193 (or 1153191 counting only the distinct ones).

The product of its (nonzero) digits is 1215000, while the sum is 50.

The spelling of 1551056061596 in words is "one trillion, five hundred fifty-one billion, fifty-six million, sixty-one thousand, five hundred ninety-six".