1523130013256 has 16 divisors (see below), whose sum is σ = 2859398909100. Its totient is φ = 760623637504.

The previous prime is 1523130013243. The next prime is 1523130013267. The reversal of 1523130013256 is 6523100313251.

It can be written as a sum of positive squares in 2 ways, for example, as 1522918892356 + 211120900 = 1234066^2 + 14530^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117664265 + ... + 117677208.

Almost surely, 2^{1523130013256} is an apocalyptic number.

It is an amenable number.

1523130013256 is a deficient number, since it is larger than the sum of its proper divisors (1336268895844).

1523130013256 is a wasteful number, since it uses less digits than its factorization.

1523130013256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235342288 (or 235342284 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The spelling of 1523130013256 in words is "one trillion, five hundred twenty-three billion, one hundred thirty million, thirteen thousand, two hundred fifty-six".