1150515432 has 144 divisors (see below), whose sum is σ = 3509627940. Its totient is φ = 340032000.

The previous prime is 1150515419. The next prime is 1150515433. The reversal of 1150515432 is 2345150511.

1150515432 is a `hidden beast` number, since 1 + 1 + 505 + 154 + 3 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1128556836 + 21958596 = 33594^2 + 4686^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1150515396 and 1150515405.

It is not an unprimeable number, because it can be changed into a prime (1150515433) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 355582 + ... + 358802.

Almost surely, 2^1150515432 is an apocalyptic number.

1150515432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1150515432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1754813970).

1150515432 is an abundant number, since it is smaller than the sum of its proper divisors (2359112508).

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

1150515432 is a wasteful number, since it uses less digits than its factorization.

1150515432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3296 (or 3278 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1150515432 is about 33919.2486945097. The cubic root of 1150515432 is about 1047.8460552191.

Adding to 1150515432 its reverse (2345150511), we get a palindrome (3495665943).

The spelling of 1150515432 in words is "one billion, one hundred fifty million, five hundred fifteen thousand, four hundred thirty-two".