12155652854 has 32 divisors (see below), whose sum is σ = 19004620800. Its totient is φ = 5824768320.

The previous prime is 12155652827. The next prime is 12155652869. The reversal of 12155652854 is 45825655121.

It is a happy number.

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, 5817842 + ... + 5819930.

It is an arithmetic number, because the mean of its divisors is an integer number (593894400).

Almost surely, 2^12155652854 is an apocalyptic number.

12155652854 is a deficient number, since it is larger than the sum of its proper divisors (6848967946).

12155652854 is a wasteful number, since it uses less digits than its factorization.

12155652854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2988.

The product of its digits is 480000, while the sum is 44.

The spelling of 12155652854 in words is "twelve billion, one hundred fifty-five million, six hundred fifty-two thousand, eight hundred fifty-four".