15520410055 has 8 divisors (see below), whose sum is σ = 18743120352. Its totient is φ = 12337242528.

The previous prime is 15520410041. The next prime is 15520410173. The reversal of 15520410055 is 55001402551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15520410055 - 2⁹ = 15520409543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9884827 + ... + 9886396.

It is an arithmetic number, because the mean of its divisors is an integer number (2342890044).

Almost surely, 2^15520410055 is an apocalyptic number.

15520410055 is a deficient number, since it is larger than the sum of its proper divisors (3222710297).

15520410055 is a wasteful number, since it uses less digits than its factorization.

15520410055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19771385.

The product of its (nonzero) digits is 5000, while the sum is 28.

The spelling of 15520410055 in words is "fifteen billion, five hundred twenty million, four hundred ten thousand, fifty-five".