11612762761281 has 48 divisors (see below), whose sum is σ = 17466207507840. Its totient is φ = 6855448723200.

The previous prime is 11612762761247. The next prime is 11612762761321. The reversal of 11612762761281 is 18216726721611.

It is not a de Polignac number, because 11612762761281 - 2⁹ = 11612762760769 is a prime.

It is a super-2 number, since 2×11612762761281² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11612762760281) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 265116 + ... + 4826573.

It is an arithmetic number, because the mean of its divisors is an integer number (363879323080).

Almost surely, 2^{11612762761281} is an apocalyptic number.

11612762761281 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11612762761281 is a deficient number, since it is larger than the sum of its proper divisors (5853444746559).

11612762761281 is a wasteful number, since it uses less digits than its factorization.

11612762761281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5091878 (or 5091867 counting only the distinct ones).

The product of its digits is 677376, while the sum is 51.

The spelling of 11612762761281 in words is "eleven trillion, six hundred twelve billion, seven hundred sixty-two million, seven hundred sixty-one thousand, two hundred eighty-one".