1158252415 has 16 divisors (see below), whose sum is σ = 1472486688. Its totient is φ = 871607296.

The previous prime is 1158252397. The next prime is 1158252427. The reversal of 1158252415 is 5142528511.

It is a cyclic number.

It is not a de Polignac number, because 1158252415 - 2⁹ = 1158251903 is a prime.

It is a congruent 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, 239259 + ... + 244051.

It is an arithmetic number, because the mean of its divisors is an integer number (92030418).

Almost surely, 2^1158252415 is an apocalyptic number.

1158252415 is a deficient number, since it is larger than the sum of its proper divisors (314234273).

1158252415 is a wasteful number, since it uses less digits than its factorization.

1158252415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7658.

The product of its digits is 16000, while the sum is 34.

The square root of 1158252415 is about 34033.1076306587. The cubic root of 1158252415 is about 1050.1896603732.

The spelling of 1158252415 in words is "one billion, one hundred fifty-eight million, two hundred fifty-two thousand, four hundred fifteen".