3157715222755 has 4 divisors (see below), whose sum is σ = 3789258267312. Its totient is φ = 2526172178200.

The previous prime is 3157715222699. The next prime is 3157715222789. The reversal of 3157715222755 is 5572225177513.

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

It is a de Polignac number, because none of the positive numbers 2^k-3157715222755 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315771522271 + ... + 315771522280.

It is an arithmetic number, because the mean of its divisors is an integer number (947314566828).

Almost surely, 2^{3157715222755} is an apocalyptic number.

3157715222755 is a deficient number, since it is larger than the sum of its proper divisors (631543044557).

3157715222755 is an equidigital number, since it uses as much as digits as its factorization.

3157715222755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631543044556.

The product of its digits is 5145000, while the sum is 52.

The spelling of 3157715222755 in words is "three trillion, one hundred fifty-seven billion, seven hundred fifteen million, two hundred twenty-two thousand, seven hundred fifty-five".