1625151277625 has 16 divisors (see below), whose sum is σ = 2052624817152. Its totient is φ = 1284456905200.

The previous prime is 1625151277553. The next prime is 1625151277639. The reversal of 1625151277625 is 5267721515261.

It is not a de Polignac number, because 1625151277625 - 2²⁶ = 1625084168761 is a prime.

It is a super-2 number, since 2×1625151277625² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

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, 78310169 + ... + 78330918.

It is an arithmetic number, because the mean of its divisors is an integer number (128289051072).

Almost surely, 2^{1625151277625} is an apocalyptic number.

It is an amenable number.

1625151277625 is a deficient number, since it is larger than the sum of its proper divisors (427473539527).

1625151277625 is an equidigital number, since it uses as much as digits as its factorization.

1625151277625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156641185 (or 156641175 counting only the distinct ones).

The product of its digits is 1764000, while the sum is 50.

The spelling of 1625151277625 in words is "one trillion, six hundred twenty-five billion, one hundred fifty-one million, two hundred seventy-seven thousand, six hundred twenty-five".