2152515421254 has 32 divisors (see below), whose sum is σ = 4752980394624. Its totient is φ = 644418634880.

The previous prime is 2152515421237. The next prime is 2152515421297. The reversal of 2152515421254 is 4521245152512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196463619 + ... + 196474574.

It is an arithmetic number, because the mean of its divisors is an integer number (148530637332).

Almost surely, 2^{2152515421254} is an apocalyptic number.

2152515421254 is an abundant number, since it is smaller than the sum of its proper divisors (2600464973370).

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

2152515421254 is a wasteful number, since it uses less digits than its factorization.

2152515421254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392938292.

The product of its digits is 160000, while the sum is 39.

The spelling of 2152515421254 in words is "two trillion, one hundred fifty-two billion, five hundred fifteen million, four hundred twenty-one thousand, two hundred fifty-four".