1523153712128 has 88 divisors (see below), whose sum is σ = 3311061589512. Its totient is φ = 697405538304.

The previous prime is 1523153712053. The next prime is 1523153712149. The reversal of 1523153712128 is 8212173513251.

It can be written as a sum of positive squares in 4 ways, for example, as 1073030800384 + 450122911744 = 1035872^2 + 670912^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538301 + ... + 1826492.

Almost surely, 2^{1523153712128} is an apocalyptic number.

It is an amenable number.

1523153712128 is an abundant number, since it is smaller than the sum of its proper divisors (1787907877384).

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

1523153712128 is a wasteful number, since it uses less digits than its factorization.

1523153712128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364867 (or 2364849 counting only the distinct ones).

The product of its digits is 100800, while the sum is 41.

The spelling of 1523153712128 in words is "one trillion, five hundred twenty-three billion, one hundred fifty-three million, seven hundred twelve thousand, one hundred twenty-eight".