15122255042725 has 6 divisors (see below), whose sum is σ = 18751596253010. Its totient is φ = 12097804034160.

The previous prime is 15122255042689. The next prime is 15122255042729. The reversal of 15122255042725 is 52724055222151.

15122255042725 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 3 ways, for example, as 676159199521 + 14446095843204 = 822289^2 + 3800802^2 .

It is not a de Polignac number, because 15122255042725 - 2¹³ = 15122255034533 is a prime.

It is a super-3 number, since 3×15122255042725³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15122255042729) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 302445100830 + ... + 302445100879.

Almost surely, 2^{15122255042725} is an apocalyptic number.

It is an amenable number.

15122255042725 is a deficient number, since it is larger than the sum of its proper divisors (3629341210285).

15122255042725 is an equidigital number, since it uses as much as digits as its factorization.

15122255042725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604890201719 (or 604890201714 counting only the distinct ones).

The product of its (nonzero) digits is 560000, while the sum is 43.

The spelling of 15122255042725 in words is "fifteen trillion, one hundred twenty-two billion, two hundred fifty-five million, forty-two thousand, seven hundred twenty-five".