2126358931508 has 12 divisors (see below), whose sum is σ = 4252717863072. Its totient is φ = 911296684920.

The previous prime is 2126358931469. The next prime is 2126358931519. The reversal of 2126358931508 is 8051398536212.

2126358931508 is an admirable number.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2126358931508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37970695178 + ... + 37970695233.

It is an arithmetic number, because the mean of its divisors is an integer number (354393155256).

Almost surely, 2^{2126358931508} is an apocalyptic number.

2126358931508 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2126358931508 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2126358931508 is a wasteful number, since it uses less digits than its factorization.

2126358931508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75941390422 (or 75941390420 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 53.

The spelling of 2126358931508 in words is "two trillion, one hundred twenty-six billion, three hundred fifty-eight million, nine hundred thirty-one thousand, five hundred eight".