15361620255 has 96 divisors (see below), whose sum is σ = 27551534400. Its totient is φ = 7914756096.

The previous prime is 15361620229. The next prime is 15361620277. The reversal of 15361620255 is 55202616351.

15361620255 is a `hidden beast` number, since 1 + 5 + 3 + 6 + 1 + 620 + 25 + 5 = 666.

It is not a de Polignac number, because 15361620255 - 2⁹ = 15361619743 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 57106261 + ... + 57106529.

It is an arithmetic number, because the mean of its divisors is an integer number (286995150).

Almost surely, 2^15361620255 is an apocalyptic number.

15361620255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15361620255 is a deficient number, since it is larger than the sum of its proper divisors (12189914145).

15361620255 is a wasteful number, since it uses less digits than its factorization.

15361620255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 15361620255 in words is "fifteen billion, three hundred sixty-one million, six hundred twenty thousand, two hundred fifty-five".