11747096881 has 6 divisors (see below), whose sum is σ = 12720229350. Its totient is φ = 10843473888.

The previous prime is 11747096869. The next prime is 11747096909. The reversal of 11747096881 is 18869074711.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 144360225 + 11602736656 = 12015^2 + 107716^2 .

It is not a de Polignac number, because 11747096881 - 2⁹ = 11747096369 is a prime.

It is a super-2 number, since 2×11747096881² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11747096831) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34754556 + ... + 34754893.

It is an arithmetic number, because the mean of its divisors is an integer number (2120038225).

Almost surely, 2^11747096881 is an apocalyptic number.

It is an amenable number.

11747096881 is a deficient number, since it is larger than the sum of its proper divisors (973132469).

11747096881 is an equidigital number, since it uses as much as digits as its factorization.

11747096881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69509475 (or 69509462 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 52.

The spelling of 11747096881 in words is "eleven billion, seven hundred forty-seven million, ninety-six thousand, eight hundred eighty-one".