11903376617 has 16 divisors (see below), whose sum is σ = 13089330240. Its totient is φ = 10734854400.

The previous prime is 11903376607. The next prime is 11903376623. The reversal of 11903376617 is 71667330911.

It is a cyclic number.

It is not a de Polignac number, because 11903376617 - 2⁸ = 11903376361 is a prime.

It is a super-2 number, since 2×11903376617² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11903376607) 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, 2678117 + ... + 2682557.

It is an arithmetic number, because the mean of its divisors is an integer number (818083140).

Almost surely, 2^11903376617 is an apocalyptic number.

It is an amenable number.

11903376617 is a deficient number, since it is larger than the sum of its proper divisors (1185953623).

11903376617 is a wasteful number, since it uses less digits than its factorization.

11903376617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6344.

The product of its (nonzero) digits is 142884, while the sum is 44.

The spelling of 11903376617 in words is "eleven billion, nine hundred three million, three hundred seventy-six thousand, six hundred seventeen".