15230135252 has 12 divisors (see below), whose sum is σ = 26653997076. Its totient is φ = 7614707520.

The previous prime is 15230135251. The next prime is 15230135293. The reversal of 15230135252 is 25253103251.

It can be written as a sum of positive squares in 2 ways, for example, as 13040269636 + 2189865616 = 114194^2 + 46796^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15230135251) by changing a digit.

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, 20102 + ... + 175682.

It is an arithmetic number, because the mean of its divisors is an integer number (2221166423).

Almost surely, 2^15230135252 is an apocalyptic number.

It is an amenable number.

15230135252 is a deficient number, since it is larger than the sum of its proper divisors (11423861824).

15230135252 is a wasteful number, since it uses less digits than its factorization.

15230135252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180058 (or 180056 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 15230135252 in words is "fifteen billion, two hundred thirty million, one hundred thirty-five thousand, two hundred fifty-two".