1553975898872 has 16 divisors (see below), whose sum is σ = 2984770782000. Its totient is φ = 758037023680.

The previous prime is 1553975898833. The next prime is 1553975898883. The reversal of 1553975898872 is 2788985793551.

It is a junction number, because it is equal to n+sod(n) for n = 1553975898793 and 1553975898802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2368865372 + ... + 2368866027.

It is an arithmetic number, because the mean of its divisors is an integer number (186548173875).

Almost surely, 2^{1553975898872} is an apocalyptic number.

It is an amenable number.

1553975898872 is a deficient number, since it is larger than the sum of its proper divisors (1430794883128).

1553975898872 is a wasteful number, since it uses less digits than its factorization.

1553975898872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4737731446 (or 4737731442 counting only the distinct ones).

The product of its digits is 1524096000, while the sum is 77.

The spelling of 1553975898872 in words is "one trillion, five hundred fifty-three billion, nine hundred seventy-five million, eight hundred ninety-eight thousand, eight hundred seventy-two".