11813595686420 has 96 divisors (see below), whose sum is σ = 28026736238592. Its totient is φ = 4143908880000.

The previous prime is 11813595686419. The next prime is 11813595686429. The reversal of 11813595686420 is 2468659531811.

It is a super-2 number, since 2×11813595686420² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11813595686420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11813595686429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 663866 + ... + 4905905.

It is an arithmetic number, because the mean of its divisors is an integer number (291945169152).

Almost surely, 2^{11813595686420} is an apocalyptic number.

11813595686420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11813595686420 is an abundant number, since it is smaller than the sum of its proper divisors (16213140552172).

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

11813595686420 is a wasteful number, since it uses less digits than its factorization.

11813595686420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5570133 (or 5570131 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 59.

The spelling of 11813595686420 in words is "eleven trillion, eight hundred thirteen billion, five hundred ninety-five million, six hundred eighty-six thousand, four hundred twenty".