2151123151152 has 40 divisors (see below), whose sum is σ = 5736328407040. Its totient is φ = 693910693440.

The previous prime is 2151123151147. The next prime is 2151123151153. The reversal of 2151123151152 is 2511513211512.

It is a super-2 number, since 2×2151123151152² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2151123151153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722822152 + ... + 722825127.

It is an arithmetic number, because the mean of its divisors is an integer number (143408210176).

Almost surely, 2^{2151123151152} is an apocalyptic number.

It is an amenable number.

2151123151152 is an abundant number, since it is smaller than the sum of its proper divisors (3585205255888).

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

2151123151152 is a wasteful number, since it uses less digits than its factorization.

2151123151152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445647321 (or 1445647315 counting only the distinct ones).

The product of its digits is 3000, while the sum is 30.

Adding to 2151123151152 its reverse (2511513211512), we get a palindrome (4662636362664).

The spelling of 2151123151152 in words is "two trillion, one hundred fifty-one billion, one hundred twenty-three million, one hundred fifty-one thousand, one hundred fifty-two".