15434621052255 has 64 divisors (see below), whose sum is σ = 27971483811840. Its totient is φ = 8073364723200.

The previous prime is 15434621052251. The next prime is 15434621052269. The reversal of 15434621052255 is 55225012643451.

15434621052255 is a `hidden beast` number, since 1 + 5 + 4 + 3 + 4 + 62 + 10 + 522 + 55 = 666.

It is not a de Polignac number, because 15434621052255 - 2² = 15434621052251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 15434621052255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15434621052251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2384682 + ... + 6046151.

It is an arithmetic number, because the mean of its divisors is an integer number (437054434560).

Almost surely, 2^{15434621052255} is an apocalyptic number.

15434621052255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15434621052255 is a deficient number, since it is larger than the sum of its proper divisors (12536862759585).

15434621052255 is a wasteful number, since it uses less digits than its factorization.

15434621052255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8431109 (or 8431103 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 45.

The spelling of 15434621052255 in words is "fifteen trillion, four hundred thirty-four billion, six hundred twenty-one million, fifty-two thousand, two hundred fifty-five".