15150137752625 has 32 divisors (see below), whose sum is σ = 18936170087328. Its totient is φ = 12101664000000.

The previous prime is 15150137752621. The next prime is 15150137752649. The reversal of 15150137752625 is 52625773105151.

15150137752625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 14559711486961 + 590426265664 = 3815719^2 + 768392^2 .

It is not a de Polignac number, because 15150137752625 - 2² = 15150137752621 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15150137752621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222301055 + ... + 222369195.

It is an arithmetic number, because the mean of its divisors is an integer number (591755315229).

Almost surely, 2^{15150137752625} is an apocalyptic number.

It is an amenable number.

15150137752625 is a deficient number, since it is larger than the sum of its proper divisors (3786032334703).

15150137752625 is a wasteful number, since it uses less digits than its factorization.

15150137752625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70838 (or 70828 counting only the distinct ones).

The product of its (nonzero) digits is 2205000, while the sum is 50.

The spelling of 15150137752625 in words is "fifteen trillion, one hundred fifty billion, one hundred thirty-seven million, seven hundred fifty-two thousand, six hundred twenty-five".