1150556553 has 12 divisors (see below), whose sum is σ = 1682952960. Its totient is φ = 757327896.

The previous prime is 1150556543. The next prime is 1150556557. The reversal of 1150556553 is 3556550511.

1150556553 is a `hidden beast` number, since 1 + 1 + 50 + 5 + 56 + 553 = 666.

It is not a de Polignac number, because 1150556553 - 2⁵ = 1150556521 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1150556557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 808401 + ... + 809822.

It is an arithmetic number, because the mean of its divisors is an integer number (140246080).

Almost surely, 2^1150556553 is an apocalyptic number.

It is an amenable number.

1150556553 is a deficient number, since it is larger than the sum of its proper divisors (532396407).

1150556553 is a wasteful number, since it uses less digits than its factorization.

1150556553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618308 (or 1618305 counting only the distinct ones).

The product of its (nonzero) digits is 56250, while the sum is 36.

The square root of 1150556553 is about 33919.8548493357. The cubic root of 1150556553 is about 1047.8585388889.

The spelling of 1150556553 in words is "one billion, one hundred fifty million, five hundred fifty-six thousand, five hundred fifty-three".