15205352055 has 16 divisors (see below), whose sum is σ = 24787594080. Its totient is φ = 7956510848.

The previous prime is 15205352047. The next prime is 15205352081. The reversal of 15205352055 is 55025350251.

It is a cyclic number.

It is not a de Polignac number, because 15205352055 - 2³ = 15205352047 is a prime.

It is a super-2 number, since 2×15205352055² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9562320 + ... + 9563909.

It is an arithmetic number, because the mean of its divisors is an integer number (1549224630).

Almost surely, 2^15205352055 is an apocalyptic number.

15205352055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15205352055 is a deficient number, since it is larger than the sum of its proper divisors (9582242025).

15205352055 is a wasteful number, since it uses less digits than its factorization.

15205352055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19126290.

The product of its (nonzero) digits is 37500, while the sum is 33.

The spelling of 15205352055 in words is "fifteen billion, two hundred five million, three hundred fifty-two thousand, fifty-five".