2151456541512 has 64 divisors (see below), whose sum is σ = 5493341306880. Its totient is φ = 701860302912.

The previous prime is 2151456541511. The next prime is 2151456541517.

2151456541512 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2151456541512² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2151456541511) 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, 37582303 + ... + 37639505.

It is an arithmetic number, because the mean of its divisors is an integer number (85833457920).

Almost surely, 2^{2151456541512} is an apocalyptic number.

It is an amenable number.

2151456541512 is an abundant number, since it is smaller than the sum of its proper divisors (3341884765368).

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

2151456541512 is a wasteful number, since it uses less digits than its factorization.

2151456541512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90602 (or 90598 counting only the distinct ones).

The product of its digits is 240000, while the sum is 42.

The spelling of 2151456541512 in words is "two trillion, one hundred fifty-one billion, four hundred fifty-six million, five hundred forty-one thousand, five hundred twelve".