11698371220 has 24 divisors (see below), whose sum is σ = 24576499584. Its totient is φ = 4677458976.

The previous prime is 11698371169. The next prime is 11698371229. The reversal of 11698371220 is 2217389611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11698371229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66784 + ... + 166903.

It is an arithmetic number, because the mean of its divisors is an integer number (1024020816).

Almost surely, 2^11698371220 is an apocalyptic number.

11698371220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11698371220 is an abundant number, since it is smaller than the sum of its proper divisors (12878128364).

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

11698371220 is a wasteful number, since it uses less digits than its factorization.

11698371220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236199 (or 236197 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The spelling of 11698371220 in words is "eleven billion, six hundred ninety-eight million, three hundred seventy-one thousand, two hundred twenty".