1150515550 has 48 divisors (see below), whose sum is σ = 2330319600. Its totient is φ = 420940800.

The previous prime is 1150515547. The next prime is 1150515589. The reversal of 1150515550 is 555150511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6670 + ... + 48430.

It is an arithmetic number, because the mean of its divisors is an integer number (48548325).

Almost surely, 2^1150515550 is an apocalyptic number.

1150515550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1150515550 is an abundant number, since it is smaller than the sum of its proper divisors (1179804050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1150515550 is a wasteful number, since it uses less digits than its factorization.

1150515550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41821 (or 41816 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 28.

The square root of 1150515550 is about 33919.2504339350. The cubic root of 1150515550 is about 1047.8460910424.

The spelling of 1150515550 in words is "one billion, one hundred fifty million, five hundred fifteen thousand, five hundred fifty".