15510552055 has 16 divisors (see below), whose sum is σ = 20744765280. Its totient is φ = 11063872512.

The previous prime is 15510552053. The next prime is 15510552139. The reversal of 15510552055 is 55025501551.

It is a cyclic number.

It is not a de Polignac number, because 15510552055 - 2¹ = 15510552053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15510552055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15510552053) 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 15 ways as a sum of consecutive naturals, for example, 4800414 + ... + 4803643.

It is an arithmetic number, because the mean of its divisors is an integer number (1296547830).

Almost surely, 2^15510552055 is an apocalyptic number.

15510552055 is a deficient number, since it is larger than the sum of its proper divisors (5234213225).

15510552055 is a wasteful number, since it uses less digits than its factorization.

15510552055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9604098.

The product of its (nonzero) digits is 31250, while the sum is 34.

The spelling of 15510552055 in words is "fifteen billion, five hundred ten million, five hundred fifty-two thousand, fifty-five".