2121514251488 has 24 divisors (see below), whose sum is σ = 4186422001440. Its totient is φ = 1058295965440.

The previous prime is 2121514251431. The next prime is 2121514251497. The reversal of 2121514251488 is 8841524151212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76897253 + ... + 76924836.

It is an arithmetic number, because the mean of its divisors is an integer number (174434250060).

Almost surely, 2^{2121514251488} is an apocalyptic number.

It is an amenable number.

2121514251488 is a deficient number, since it is larger than the sum of its proper divisors (2064907749952).

2121514251488 is a wasteful number, since it uses less digits than its factorization.

2121514251488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153822530 (or 153822522 counting only the distinct ones).

The product of its digits is 204800, while the sum is 44.

The spelling of 2121514251488 in words is "two trillion, one hundred twenty-one billion, five hundred fourteen million, two hundred fifty-one thousand, four hundred eighty-eight".