115631122270 has 32 divisors (see below), whose sum is σ = 212887427040. Its totient is φ = 45205645440.

The previous prime is 115631122267. The next prime is 115631122273. The reversal of 115631122270 is 72221136511.

It is an interprime number because it is at equal distance from previous prime (115631122267) and next prime (115631122273).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115631122273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 464361 + ... + 668500.

It is an arithmetic number, because the mean of its divisors is an integer number (6652732095).

Almost surely, 2^115631122270 is an apocalyptic number.

115631122270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115631122270 is a deficient number, since it is larger than the sum of its proper divisors (97256304770).

115631122270 is a wasteful number, since it uses less digits than its factorization.

115631122270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133100.

The product of its (nonzero) digits is 5040, while the sum is 31.

Adding to 115631122270 its reverse (72221136511), we get a palindrome (187852258781).

The spelling of 115631122270 in words is "one hundred fifteen billion, six hundred thirty-one million, one hundred twenty-two thousand, two hundred seventy".