1316631515112 has 48 divisors (see below), whose sum is σ = 3688838302500. Its totient is φ = 423743475456.

The previous prime is 1316631515099. The next prime is 1316631515131. The reversal of 1316631515112 is 2115151366131.

1316631515112 is a `hidden beast` number, since 1 + 3 + 1 + 6 + 631 + 5 + 1 + 5 + 1 + 12 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1280776577796 + 35854937316 = 1131714^2 + 189354^2 .

It is a super-2 number, since 2×1316631515112² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 315283237 + ... + 315287412.

Almost surely, 2^{1316631515112} is an apocalyptic number.

1316631515112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1316631515112 is an abundant number, since it is smaller than the sum of its proper divisors (2372206787388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1316631515112 is a wasteful number, since it uses less digits than its factorization.

1316631515112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630570690 (or 630570683 counting only the distinct ones).

The product of its digits is 16200, while the sum is 36.

The spelling of 1316631515112 in words is "one trillion, three hundred sixteen billion, six hundred thirty-one million, five hundred fifteen thousand, one hundred twelve".