537012777525648 has 80 divisors (see below), whose sum is σ = 1432039157961216. Its totient is φ = 173229313167360.

The previous prime is 537012777525613. The next prime is 537012777525701. The reversal of 537012777525648 is 846525777210735.

It is a super-2 number, since 2×537012777525648² (a number of 30 digits) contains 22 as substring.

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, 621547840 + ... + 622411232.

Almost surely, 2^{537012777525648} is an apocalyptic number.

It is an amenable number.

537012777525648 is an abundant number, since it is smaller than the sum of its proper divisors (895026380435568).

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

537012777525648 is a wasteful number, since it uses less digits than its factorization.

537012777525648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281432 (or 1281426 counting only the distinct ones).

The product of its (nonzero) digits is 691488000, while the sum is 69.

The spelling of 537012777525648 in words is "five hundred thirty-seven trillion, twelve billion, seven hundred seventy-seven million, five hundred twenty-five thousand, six hundred forty-eight".