1155273625 has 32 divisors (see below), whose sum is σ = 1655671680. Its totient is φ = 795960000.

The previous prime is 1155273617. The next prime is 1155273649. The reversal of 1155273625 is 5263725511.

It is not a de Polignac number, because 1155273625 - 2³ = 1155273617 is a prime.

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, 4015 + ... + 48235.

It is an arithmetic number, because the mean of its divisors is an integer number (51739740).

Almost surely, 2^1155273625 is an apocalyptic number.

It is an amenable number.

1155273625 is a deficient number, since it is larger than the sum of its proper divisors (500398055).

1155273625 is a wasteful number, since it uses less digits than its factorization.

1155273625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44266 (or 44256 counting only the distinct ones).

The product of its digits is 63000, while the sum is 37.

The square root of 1155273625 is about 33989.3163361666. The cubic root of 1155273625 is about 1049.2885959663.

The spelling of 1155273625 in words is "one billion, one hundred fifty-five million, two hundred seventy-three thousand, six hundred twenty-five".