15500658055 has 12 divisors (see below), whose sum is σ = 19759318200. Its totient is φ = 11671082624.

The previous prime is 15500658053. The next prime is 15500658077. The reversal of 15500658055 is 55085600551.

It is a happy number.

It is not a de Polignac number, because 15500658055 - 2¹ = 15500658053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15500657999 and 15500658017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15500658053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5362105 + ... + 5364994.

It is an arithmetic number, because the mean of its divisors is an integer number (1646609850).

Almost surely, 2^15500658055 is an apocalyptic number.

15500658055 is a deficient number, since it is larger than the sum of its proper divisors (4258660145).

15500658055 is a wasteful number, since it uses less digits than its factorization.

15500658055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10727138 (or 10727121 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 40.

The spelling of 15500658055 in words is "fifteen billion, five hundred million, six hundred fifty-eight thousand, fifty-five".