1161772325 has 24 divisors (see below), whose sum is σ = 1653019200. Its totient is φ = 793440000.

The previous prime is 1161772319. The next prime is 1161772327. The reversal of 1161772325 is 5232771611.

It is not a de Polignac number, because 1161772325 - 2²⁰ = 1160723749 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161772327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30701 + ... + 57149.

It is an arithmetic number, because the mean of its divisors is an integer number (68875800).

Almost surely, 2^1161772325 is an apocalyptic number.

It is an amenable number.

1161772325 is a deficient number, since it is larger than the sum of its proper divisors (491246875).

1161772325 is a wasteful number, since it uses less digits than its factorization.

1161772325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26717 (or 26712 counting only the distinct ones).

The product of its digits is 17640, while the sum is 35.

The square root of 1161772325 is about 34084.7814280802. The cubic root of 1161772325 is about 1051.2524208851.

The spelling of 1161772325 in words is "one billion, one hundred sixty-one million, seven hundred seventy-two thousand, three hundred twenty-five".