2115315554112 has 42 divisors (see below), whose sum is σ = 6063170105538. Its totient is φ = 705105184512.

The previous prime is 2115315554071. The next prime is 2115315554117. The reversal of 2115315554112 is 2114555135112.

2115315554112 is a `hidden beast` number, since 2 + 1 + 1 + 53 + 1 + 55 + 541 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2045632225536 + 69683328576 = 1430256^2 + 263976^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115315554117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1836210843 + ... + 1836211994.

It is an arithmetic number, because the mean of its divisors is an integer number (144361192989).

Almost surely, 2^{2115315554112} is an apocalyptic number.

It is an amenable number.

2115315554112 is an abundant number, since it is smaller than the sum of its proper divisors (3947854551426).

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

2115315554112 is a wasteful number, since it uses less digits than its factorization.

2115315554112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3672422855 (or 3672422842 counting only the distinct ones).

The product of its digits is 30000, while the sum is 36.

The spelling of 2115315554112 in words is "two trillion, one hundred fifteen billion, three hundred fifteen million, five hundred fifty-four thousand, one hundred twelve".