1625057261352 has 128 divisors (see below), whose sum is σ = 5336805600000. Its totient is φ = 448291646208.

The previous prime is 1625057261281. The next prime is 1625057261369. The reversal of 1625057261352 is 2531627505261.

It is a happy number.

1625057261352 is a `hidden beast` number, since 1 + 6 + 2 + 505 + 7 + 2 + 6 + 135 + 2 = 666.

It is a super-2 number, since 2×1625057261352² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1625057261298 and 1625057261307.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18486727 + ... + 18574422.

It is an arithmetic number, because the mean of its divisors is an integer number (41693793750).

Almost surely, 2^{1625057261352} is an apocalyptic number.

1625057261352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1625057261352 is an abundant number, since it is smaller than the sum of its proper divisors (3711748338648).

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

1625057261352 is a wasteful number, since it uses less digits than its factorization.

1625057261352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37061200 (or 37061190 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The spelling of 1625057261352 in words is "one trillion, six hundred twenty-five billion, fifty-seven million, two hundred sixty-one thousand, three hundred fifty-two".