11883261761 has 4 divisors (see below), whose sum is σ = 13580870592. Its totient is φ = 10185652932.

The previous prime is 11883261737. The next prime is 11883261787. The reversal of 11883261761 is 16716238811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11883261761 - 2⁶ = 11883261697 is a prime.

It is a super-2 number, since 2×11883261761² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11883261701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 848804405 + ... + 848804418.

It is an arithmetic number, because the mean of its divisors is an integer number (3395217648).

Almost surely, 2^11883261761 is an apocalyptic number.

It is an amenable number.

11883261761 is a deficient number, since it is larger than the sum of its proper divisors (1697608831).

11883261761 is an equidigital number, since it uses as much as digits as its factorization.

11883261761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697608830.

The product of its digits is 96768, while the sum is 44.

The spelling of 11883261761 in words is "eleven billion, eight hundred eighty-three million, two hundred sixty-one thousand, seven hundred sixty-one".