1157115715 has 8 divisors (see below), whose sum is σ = 1586901600. Its totient is φ = 793450752.

The previous prime is 1157115709. The next prime is 1157115721. The reversal of 1157115715 is 5175117511.

It is an interprime number because it is at equal distance from previous prime (1157115709) and next prime (1157115721).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1157115715 - 2⁷ = 1157115587 is a prime.

It is a super-2 number, since 2×1157115715² = 2677833555799922450, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

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, 16530190 + ... + 16530259.

It is an arithmetic number, because the mean of its divisors is an integer number (198362700).

Almost surely, 2^1157115715 is an apocalyptic number.

1157115715 is a deficient number, since it is larger than the sum of its proper divisors (429785885).

1157115715 is an equidigital number, since it uses as much as digits as its factorization.

1157115715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33060461.

The product of its digits is 6125, while the sum is 34.

The square root of 1157115715 is about 34016.4036164907. The cubic root of 1157115715 is about 1049.8459985780.

The spelling of 1157115715 in words is "one billion, one hundred fifty-seven million, one hundred fifteen thousand, seven hundred fifteen".