1081572423624 has 256 divisors, whose sum is σ = 3966042009600. Its totient is φ = 264402662400.

The previous prime is 1081572423583. The next prime is 1081572423671. The reversal of 1081572423624 is 4263242751801.

1081572423624 is a `hidden beast` number, since 1 + 0 + 8 + 1 + 572 + 42 + 36 + 2 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1081572423624.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1629892 + ... + 2195379.

It is an arithmetic number, because the mean of its divisors is an integer number (15492351600).

Almost surely, 2^{1081572423624} is an apocalyptic number.

1081572423624 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1081572423624 is an abundant number, since it is smaller than the sum of its proper divisors (2884469585976).

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

1081572423624 is a wasteful number, since it uses less digits than its factorization.

1081572423624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3825321 (or 3825311 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 1081572423624 in words is "one trillion, eighty-one billion, five hundred seventy-two million, four hundred twenty-three thousand, six hundred twenty-four".