2131113798648 has 96 divisors (see below), whose sum is σ = 6163399382400. Its totient is φ = 663750662400.

The previous prime is 2131113798643. The next prime is 2131113798673. The reversal of 2131113798648 is 8468973111312.

2131113798648 is a `hidden beast` number, since 213 + 1 + 11 + 379 + 8 + 6 + 48 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2131113798594 and 2131113798603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131113798643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16397343 + ... + 16526798.

It is an arithmetic number, because the mean of its divisors is an integer number (64202076900).

Almost surely, 2^{2131113798648} is an apocalyptic number.

It is an amenable number.

2131113798648 is an abundant number, since it is smaller than the sum of its proper divisors (4032285583752).

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

2131113798648 is a wasteful number, since it uses less digits than its factorization.

2131113798648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32924213 (or 32924206 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The spelling of 2131113798648 in words is "two trillion, one hundred thirty-one billion, one hundred thirteen million, seven hundred ninety-eight thousand, six hundred forty-eight".