1158010538 has 4 divisors (see below), whose sum is σ = 1737015810. Its totient is φ = 579005268.

The previous prime is 1158010507. The next prime is 1158010559. The reversal of 1158010538 is 8350108511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8350108511 = 83 ⋅100603717.

It can be written as a sum of positive squares in only one way, i.e., 1098458449 + 59552089 = 33143^2 + 7717^2 .

It is a super-2 number, since 2×1158010538² = 2681976812238098888, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289502633 + ... + 289502636.

Almost surely, 2^1158010538 is an apocalyptic number.

1158010538 is a deficient number, since it is larger than the sum of its proper divisors (579005272).

1158010538 is an equidigital number, since it uses as much as digits as its factorization.

1158010538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579005271.

The product of its (nonzero) digits is 4800, while the sum is 32.

The square root of 1158010538 is about 34029.5538906992. The cubic root of 1158010538 is about 1050.1165518391.

The spelling of 1158010538 in words is "one billion, one hundred fifty-eight million, ten thousand, five hundred thirty-eight".