1151640572 has 24 divisors (see below), whose sum is σ = 2050320384. Its totient is φ = 565920432.

The previous prime is 1151640569. The next prime is 1151640587. The reversal of 1151640572 is 2750461511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43763 + ... + 64949.

It is an arithmetic number, because the mean of its divisors is an integer number (85430016).

Almost surely, 2^1151640572 is an apocalyptic number.

It is an amenable number.

1151640572 is a deficient number, since it is larger than the sum of its proper divisors (898679812).

1151640572 is a wasteful number, since it uses less digits than its factorization.

1151640572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21425 (or 21423 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 1151640572 is about 33935.8302093819. The cubic root of 1151640572 is about 1048.1875222877.

The spelling of 1151640572 in words is "one billion, one hundred fifty-one million, six hundred forty thousand, five hundred seventy-two".