1150553051 has 4 divisors (see below), whose sum is σ = 1151043552. Its totient is φ = 1150062552.

The previous prime is 1150553023. The next prime is 1150553057. The reversal of 1150553051 is 1503550511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1150553051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1150553051.

It is not an unprimeable number, because it can be changed into a prime (1150553057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241715 + ... + 246428.

It is an arithmetic number, because the mean of its divisors is an integer number (287760888).

Almost surely, 2^1150553051 is an apocalyptic number.

1150553051 is a deficient number, since it is larger than the sum of its proper divisors (490501).

1150553051 is an equidigital number, since it uses as much as digits as its factorization.

1150553051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490500.

The product of its (nonzero) digits is 1875, while the sum is 26.

The square root of 1150553051 is about 33919.8032276132. The cubic root of 1150553051 is about 1047.8574757500.

The spelling of 1150553051 in words is "one billion, one hundred fifty million, five hundred fifty-three thousand, fifty-one".