1562255983872 has 540 divisors, whose sum is σ = 4998522905376. Its totient is φ = 485169315840.

The previous prime is 1562255983867. The next prime is 1562255983903. The reversal of 1562255983872 is 2783895522651.

It is a happy number.

1562255983872 is a `hidden beast` number, since 1 + 5 + 6 + 2 + 2 + 5 + 598 + 38 + 7 + 2 = 666.

It is a super-2 number, since 2×1562255983872² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 617247247 + ... + 617249777.

Almost surely, 2^{1562255983872} is an apocalyptic number.

1562255983872 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 1562255983872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2499261452688).

1562255983872 is an abundant number, since it is smaller than the sum of its proper divisors (3436266921504).

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

1562255983872 is a wasteful number, since it uses less digits than its factorization.

1562255983872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2696 (or 2656 counting only the distinct ones).

The product of its digits is 72576000, while the sum is 63.

The spelling of 1562255983872 in words is "one trillion, five hundred sixty-two billion, two hundred fifty-five million, nine hundred eighty-three thousand, eight hundred seventy-two".