1156423625 has 16 divisors (see below), whose sum is σ = 1649391744. Its totient is φ = 792975600.

The previous prime is 1156423607. The next prime is 1156423649. The reversal of 1156423625 is 5263246511.

It is not a de Polignac number, because 1156423625 - 2⁶ = 1156423561 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 659939 + ... + 661688.

It is an arithmetic number, because the mean of its divisors is an integer number (103086984).

Almost surely, 2^1156423625 is an apocalyptic number.

It is an amenable number.

1156423625 is a deficient number, since it is larger than the sum of its proper divisors (492968119).

1156423625 is an equidigital number, since it uses as much as digits as its factorization.

1156423625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321649 (or 1321639 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 1156423625 is about 34006.2292087788. The cubic root of 1156423625 is about 1049.6366467626.

The spelling of 1156423625 in words is "one billion, one hundred fifty-six million, four hundred twenty-three thousand, six hundred twenty-five".