12157357315 has 8 divisors (see below), whose sum is σ = 14591208240. Its totient is φ = 9724299552.

The previous prime is 12157357313. The next prime is 12157357343. The reversal of 12157357315 is 51375375121.

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 12157357315 - 2¹ = 12157357313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12157357313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164029 + ... + 226318.

It is an arithmetic number, because the mean of its divisors is an integer number (1823901030).

Almost surely, 2^12157357315 is an apocalyptic number.

12157357315 is a deficient number, since it is larger than the sum of its proper divisors (2433850925).

12157357315 is an equidigital number, since it uses as much as digits as its factorization.

12157357315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396581.

The product of its digits is 110250, while the sum is 40.

The spelling of 12157357315 in words is "twelve billion, one hundred fifty-seven million, three hundred fifty-seven thousand, three hundred fifteen".