11639091955 has 8 divisors (see below), whose sum is σ = 14203638000. Its totient is φ = 9153455136.

The previous prime is 11639091943. The next prime is 11639092001. The reversal of 11639091955 is 55919093611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11639091955 - 2⁵ = 11639091923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11639091899 and 11639091908.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19726980 + ... + 19727569.

It is an arithmetic number, because the mean of its divisors is an integer number (1775454750).

Almost surely, 2^11639091955 is an apocalyptic number.

11639091955 is a deficient number, since it is larger than the sum of its proper divisors (2564546045).

11639091955 is an equidigital number, since it uses as much as digits as its factorization.

11639091955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39454613.

The product of its (nonzero) digits is 328050, while the sum is 49.

The spelling of 11639091955 in words is "eleven billion, six hundred thirty-nine million, ninety-one thousand, nine hundred fifty-five".