11907288407 has 16 divisors (see below), whose sum is σ = 13870612800. Its totient is φ = 10009688832.

The previous prime is 11907288397. The next prime is 11907288487. The reversal of 11907288407 is 70488270911.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11907288407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11907288487) 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, 1268969 + ... + 1278317.

It is an arithmetic number, because the mean of its divisors is an integer number (866913300).

Almost surely, 2^11907288407 is an apocalyptic number.

11907288407 is a deficient number, since it is larger than the sum of its proper divisors (1963324393).

11907288407 is an equidigital number, since it uses as much as digits as its factorization.

11907288407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12842.

The product of its (nonzero) digits is 225792, while the sum is 47.

The spelling of 11907288407 in words is "eleven billion, nine hundred seven million, two hundred eighty-eight thousand, four hundred seven".