2145520461124 has 12 divisors (see below), whose sum is σ = 3807543354048. Its totient is φ = 1057650931400.

The previous prime is 2145520461113. The next prime is 2145520461131. The reversal of 2145520461124 is 4211640255412.

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, 3777324472 + ... + 3777325039.

It is an arithmetic number, because the mean of its divisors is an integer number (317295279504).

Almost surely, 2^{2145520461124} is an apocalyptic number.

It is an amenable number.

2145520461124 is a deficient number, since it is larger than the sum of its proper divisors (1662022892924).

2145520461124 is a wasteful number, since it uses less digits than its factorization.

2145520461124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7554649586 (or 7554649584 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

The spelling of 2145520461124 in words is "two trillion, one hundred forty-five billion, five hundred twenty million, four hundred sixty-one thousand, one hundred twenty-four".