1513550155252 has 6 divisors (see below), whose sum is σ = 2648712771698. Its totient is φ = 756775077624.

The previous prime is 1513550155231. The next prime is 1513550155289. The reversal of 1513550155252 is 2525510553151.

It can be written as a sum of positive squares in only one way, i.e., 1512127658596 + 1422496656 = 1229686^2 + 37716^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189193769403 + ... + 189193769410.

Almost surely, 2^{1513550155252} is an apocalyptic number.

It is an amenable number.

1513550155252 is a deficient number, since it is larger than the sum of its proper divisors (1135162616446).

1513550155252 is a wasteful number, since it uses less digits than its factorization.

1513550155252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378387538817 (or 378387538815 counting only the distinct ones).

The product of its (nonzero) digits is 187500, while the sum is 40.

The spelling of 1513550155252 in words is "one trillion, five hundred thirteen billion, five hundred fifty million, one hundred fifty-five thousand, two hundred fifty-two".