1151565125 has 32 divisors (see below), whose sum is σ = 1532325600. Its totient is φ = 861004800.

The previous prime is 1151565119. The next prime is 1151565133. The reversal of 1151565125 is 5215651511.

It can be written as a sum of positive squares in 16 ways, for example, as 1109755969 + 41809156 = 33313^2 + 6466^2 .

It is not a de Polignac number, because 1151565125 - 2⁶ = 1151565061 is a prime.

It is a super-2 number, since 2×1151565125² = 2652204474232531250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1151565091 and 1151565100.

It is a congruent number.

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, 314807 + ... + 318443.

It is an arithmetic number, because the mean of its divisors is an integer number (47885175).

Almost surely, 2^1151565125 is an apocalyptic number.

It is an amenable number.

1151565125 is a deficient number, since it is larger than the sum of its proper divisors (380760475).

1151565125 is a wasteful number, since it uses less digits than its factorization.

1151565125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3818 (or 3808 counting only the distinct ones).

The product of its digits is 7500, while the sum is 32.

The square root of 1151565125 is about 33934.7185784706. The cubic root of 1151565125 is about 1048.1646319482.

The spelling of 1151565125 in words is "one billion, one hundred fifty-one million, five hundred sixty-five thousand, one hundred twenty-five".