11859280532 has 24 divisors (see below), whose sum is σ = 23421152160. Its totient is φ = 5204699360.

The previous prime is 11859280513. The next prime is 11859280541. The reversal of 11859280532 is 23508295811.

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 7 ways as a sum of consecutive naturals, for example, 4645778 + ... + 4648329.

It is an arithmetic number, because the mean of its divisors is an integer number (975881340).

Almost surely, 2^11859280532 is an apocalyptic number.

It is an amenable number.

11859280532 is a deficient number, since it is larger than the sum of its proper divisors (11561871628).

11859280532 is a wasteful number, since it uses less digits than its factorization.

11859280532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9294151 (or 9294149 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 44.

The spelling of 11859280532 in words is "eleven billion, eight hundred fifty-nine million, two hundred eighty thousand, five hundred thirty-two".