11859280534 has 16 divisors (see below), whose sum is σ = 18097551360. Its totient is φ = 5827512040.

The previous prime is 11859280513. The next prime is 11859280541. The reversal of 11859280534 is 43508295811.

It is a super-2 number, since 2×11859280534² (a number of 21 digits) contains 22 as substring.

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, 155314 + ... + 218725.

It is an arithmetic number, because the mean of its divisors is an integer number (1131096960).

Almost surely, 2^11859280534 is an apocalyptic number.

11859280534 is a deficient number, since it is larger than the sum of its proper divisors (6238270826).

11859280534 is a wasteful number, since it uses less digits than its factorization.

11859280534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374315.

The product of its (nonzero) digits is 345600, while the sum is 46.

The spelling of 11859280534 in words is "eleven billion, eight hundred fifty-nine million, two hundred eighty thousand, five hundred thirty-four".