11946413895 has 64 divisors (see below), whose sum is σ = 20941562880. Its totient is φ = 5779749888.

The previous prime is 11946413881. The next prime is 11946413933. The reversal of 11946413895 is 59831464911.

It is a happy number.

It is not a de Polignac number, because 11946413895 - 2⁴ = 11946413879 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7433182 + ... + 7434788.

It is an arithmetic number, because the mean of its divisors is an integer number (327211920).

Almost surely, 2^11946413895 is an apocalyptic number.

11946413895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11946413895 is a deficient number, since it is larger than the sum of its proper divisors (8995148985).

11946413895 is a wasteful number, since it uses less digits than its factorization.

11946413895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264.

The product of its digits is 933120, while the sum is 51.

The spelling of 11946413895 in words is "eleven billion, nine hundred forty-six million, four hundred thirteen thousand, eight hundred ninety-five".