3157255516115 has 4 divisors (see below), whose sum is σ = 3788706619344. Its totient is φ = 2525804412888.

The previous prime is 3157255516111. The next prime is 3157255516127. The reversal of 3157255516115 is 5116155527513.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3157255516115 - 2² = 3157255516111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3157255516115.

It is not an unprimeable number, because it can be changed into a prime (3157255516111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315725551607 + ... + 315725551616.

It is an arithmetic number, because the mean of its divisors is an integer number (947176654836).

Almost surely, 2^{3157255516115} is an apocalyptic number.

3157255516115 is a deficient number, since it is larger than the sum of its proper divisors (631451103229).

3157255516115 is an equidigital number, since it uses as much as digits as its factorization.

3157255516115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631451103228.

The product of its digits is 787500, while the sum is 47.

The spelling of 3157255516115 in words is "three trillion, one hundred fifty-seven billion, two hundred fifty-five million, five hundred sixteen thousand, one hundred fifteen".