1150451555 has 16 divisors (see below), whose sum is σ = 1515297024. Its totient is φ = 831552480.

The previous prime is 1150451543. The next prime is 1150451579. The reversal of 1150451555 is 5551540511.

It is not a de Polignac number, because 1150451555 - 2⁸ = 1150451299 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55199 + ... + 73128.

It is an arithmetic number, because the mean of its divisors is an integer number (94706064).

Almost surely, 2^1150451555 is an apocalyptic number.

1150451555 is a deficient number, since it is larger than the sum of its proper divisors (364845469).

1150451555 is a wasteful number, since it uses less digits than its factorization.

1150451555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128506.

The product of its (nonzero) digits is 12500, while the sum is 32.

The square root of 1150451555 is about 33918.3070774471. The cubic root of 1150451555 is about 1047.8266626062.

The spelling of 1150451555 in words is "one billion, one hundred fifty million, four hundred fifty-one thousand, five hundred fifty-five".