1115713312172 has 6 divisors (see below), whose sum is σ = 1952498296308. Its totient is φ = 557856656084.

The previous prime is 1115713312037. The next prime is 1115713312177. The reversal of 1115713312172 is 2712133175111.

It is a super-4 number, since 4×1115713312172⁴ (a number of 49 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1115713312177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139464164018 + ... + 139464164025.

It is an arithmetic number, because the mean of its divisors is an integer number (325416382718).

Almost surely, 2^{1115713312172} is an apocalyptic number.

It is an amenable number.

1115713312172 is a deficient number, since it is larger than the sum of its proper divisors (836784984136).

1115713312172 is a wasteful number, since it uses less digits than its factorization.

1115713312172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278928328047 (or 278928328045 counting only the distinct ones).

The product of its digits is 8820, while the sum is 35.

Adding to 1115713312172 its reverse (2712133175111), we get a palindrome (3827846487283).

The spelling of 1115713312172 in words is "one trillion, one hundred fifteen billion, seven hundred thirteen million, three hundred twelve thousand, one hundred seventy-two".