1150984155 has 16 divisors (see below), whose sum is σ = 1842022944. Its totient is φ = 613708800.

The previous prime is 1150984129. The next prime is 1150984171. The reversal of 1150984155 is 5514890511.

It is a happy number.

It is not a de Polignac number, because 1150984155 - 2⁶ = 1150984091 is a prime.

It is a super-2 number, since 2×1150984155² = 2649529050122128050, which contains 22 as substring.

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, 85227 + ... + 97803.

It is an arithmetic number, because the mean of its divisors is an integer number (115126434).

Almost surely, 2^1150984155 is an apocalyptic number.

1150984155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1150984155 is a deficient number, since it is larger than the sum of its proper divisors (691038789).

1150984155 is a wasteful number, since it uses less digits than its factorization.

1150984155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18686.

The product of its (nonzero) digits is 36000, while the sum is 39.

The square root of 1150984155 is about 33926.1573863000. The cubic root of 1150984155 is about 1047.9883343082.

The spelling of 1150984155 in words is "one billion, one hundred fifty million, nine hundred eighty-four thousand, one hundred fifty-five".