1155651052 has 12 divisors (see below), whose sum is σ = 2023749000. Its totient is φ = 577437056.

The previous prime is 1155651043. The next prime is 1155651097. The reversal of 1155651052 is 2501565511.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90373 + ... + 102364.

It is an arithmetic number, because the mean of its divisors is an integer number (168645750).

Almost surely, 2^1155651052 is an apocalyptic number.

It is an amenable number.

1155651052 is a deficient number, since it is larger than the sum of its proper divisors (868097948).

1155651052 is a wasteful number, since it uses less digits than its factorization.

1155651052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194240 (or 194238 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 31.

The square root of 1155651052 is about 33994.8680244533. The cubic root of 1155651052 is about 1049.4028507826.

The spelling of 1155651052 in words is "one billion, one hundred fifty-five million, six hundred fifty-one thousand, fifty-two".