1158415032 has 32 divisors (see below), whose sum is σ = 2900768400. Its totient is φ = 385507584.

The previous prime is 1158415021. The next prime is 1158415043. The reversal of 1158415032 is 2305148511.

It is an interprime number because it is at equal distance from previous prime (1158415021) and next prime (1158415043).

It is a super-2 number, since 2×1158415032² = 2683850772727122048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24307 + ... + 53922.

Almost surely, 2^1158415032 is an apocalyptic number.

1158415032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1158415032 is an abundant number, since it is smaller than the sum of its proper divisors (1742353368).

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

1158415032 is a wasteful number, since it uses less digits than its factorization.

1158415032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78855 (or 78851 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 1158415032 is about 34035.4966468832. The cubic root of 1158415032 is about 1050.2388064540.

The spelling of 1158415032 in words is "one billion, one hundred fifty-eight million, four hundred fifteen thousand, thirty-two".