12311955153960 has 512 divisors, whose sum is σ = 46306042675200. Its totient is φ = 2544119424000.

The previous prime is 12311955153959. The next prime is 12311955153991. The reversal of 12311955153960 is 6935155911321.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3858335965 + ... + 3858339155.

It is an arithmetic number, because the mean of its divisors is an integer number (90441489600).

Almost surely, 2^{12311955153960} is an apocalyptic number.

12311955153960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12311955153960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23153021337600).

12311955153960 is an abundant number, since it is smaller than the sum of its proper divisors (33994087521240).

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

12311955153960 is a wasteful number, since it uses less digits than its factorization.

12311955153960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5413 (or 5409 counting only the distinct ones).

The product of its (nonzero) digits is 1093500, while the sum is 51.

The spelling of 12311955153960 in words is "twelve trillion, three hundred eleven billion, nine hundred fifty-five million, one hundred fifty-three thousand, nine hundred sixty".