11894242580 has 48 divisors (see below), whose sum is σ = 27268678080. Its totient is φ = 4321996800.

The previous prime is 11894242579. The next prime is 11894242597. The reversal of 11894242580 is 8524249811.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290795 + ... + 329165.

It is an arithmetic number, because the mean of its divisors is an integer number (568097460).

Almost surely, 2^11894242580 is an apocalyptic number.

11894242580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11894242580 is an abundant number, since it is smaller than the sum of its proper divisors (15374435500).

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

11894242580 is a wasteful number, since it uses less digits than its factorization.

11894242580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39800 (or 39798 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 44.

The spelling of 11894242580 in words is "eleven billion, eight hundred ninety-four million, two hundred forty-two thousand, five hundred eighty".