1157108215 has 8 divisors (see below), whose sum is σ = 1426057920. Its totient is φ = 900667872.

The previous prime is 1157108209. The next prime is 1157108221. The reversal of 1157108215 is 5128017511.

It is an interprime number because it is at equal distance from previous prime (1157108209) and next prime (1157108221).

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 1157108215 - 2¹³ = 1157100023 is a prime.

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, 3127135 + ... + 3127504.

It is an arithmetic number, because the mean of its divisors is an integer number (178257240).

Almost surely, 2^1157108215 is an apocalyptic number.

1157108215 is a deficient number, since it is larger than the sum of its proper divisors (268949705).

1157108215 is an equidigital number, since it uses as much as digits as its factorization.

1157108215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6254681.

The product of its (nonzero) digits is 2800, while the sum is 31.

The square root of 1157108215 is about 34016.2933753812. The cubic root of 1157108215 is about 1049.8437303341.

The spelling of 1157108215 in words is "one billion, one hundred fifty-seven million, one hundred eight thousand, two hundred fifteen".