1116631271261 has 16 divisors (see below), whose sum is σ = 1283691189888. Its totient is φ = 961369992000.

The previous prime is 1116631271179. The next prime is 1116631271269. The reversal of 1116631271261 is 1621721366111.

It is a de Polignac number, because none of the positive numbers 2^k-1116631271261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116631271269) 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, 21823766 + ... + 21874871.

It is an arithmetic number, because the mean of its divisors is an integer number (80230699368).

Almost surely, 2^{1116631271261} is an apocalyptic number.

1116631271261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1116631271261 is a deficient number, since it is larger than the sum of its proper divisors (167059918627).

1116631271261 is a wasteful number, since it uses less digits than its factorization.

1116631271261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43698772.

The product of its digits is 18144, while the sum is 38.

The spelling of 1116631271261 in words is "one trillion, one hundred sixteen billion, six hundred thirty-one million, two hundred seventy-one thousand, two hundred sixty-one".