2155237246712 has 48 divisors (see below), whose sum is σ = 4585122225600. Its totient is φ = 948051561600.

The previous prime is 2155237246697. The next prime is 2155237246733. The reversal of 2155237246712 is 2176427325512.

It is a super-2 number, since 2×2155237246712² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35881037 + ... + 35941052.

It is an arithmetic number, because the mean of its divisors is an integer number (95523379700).

Almost surely, 2^{2155237246712} is an apocalyptic number.

2155237246712 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2155237246712 is an abundant number, since it is smaller than the sum of its proper divisors (2429884978888).

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

2155237246712 is a wasteful number, since it uses less digits than its factorization.

2155237246712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71822148 (or 71822133 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 47.

The spelling of 2155237246712 in words is "two trillion, one hundred fifty-five billion, two hundred thirty-seven million, two hundred forty-six thousand, seven hundred twelve".