11909423610 has 96 divisors (see below), whose sum is σ = 37469682432. Its totient is φ = 2562024960.

The previous prime is 11909423599. The next prime is 11909423639. The reversal of 11909423610 is 1632490911.

It is a happy number.

11909423610 is a `hidden beast` number, since 1 + 19 + 0 + 9 + 4 + 23 + 610 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 545286 + ... + 566705.

It is an arithmetic number, because the mean of its divisors is an integer number (390309192).

Almost surely, 2^11909423610 is an apocalyptic number.

11909423610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11909423610 is an abundant number, since it is smaller than the sum of its proper divisors (25560258822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11909423610 is a wasteful number, since it uses less digits than its factorization.

11909423610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112028 (or 1112025 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The spelling of 11909423610 in words is "eleven billion, nine hundred nine million, four hundred twenty-three thousand, six hundred ten".