2115755296512 has 144 divisors (see below), whose sum is σ = 6615434517888. Its totient is φ = 591819632640.

The previous prime is 2115755296511. The next prime is 2115755296553. The reversal of 2115755296512 is 2156925575112.

It is a super-2 number, since 2×2115755296512² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115755296511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9522658 + ... + 9742305.

Almost surely, 2^{2115755296512} is an apocalyptic number.

2115755296512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2115755296512 is an abundant number, since it is smaller than the sum of its proper divisors (4499679221376).

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

2115755296512 is a wasteful number, since it uses less digits than its factorization.

2115755296512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19265006 (or 19264992 counting only the distinct ones).

The product of its digits is 1890000, while the sum is 51.

The spelling of 2115755296512 in words is "two trillion, one hundred fifteen billion, seven hundred fifty-five million, two hundred ninety-six thousand, five hundred twelve".