15506622255 has 16 divisors (see below), whose sum is σ = 24869819520. Its totient is φ = 8250457248.

The previous prime is 15506622239. The next prime is 15506622331. The reversal of 15506622255 is 55222660551.

15506622255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15506622255 - 2⁴ = 15506622239 is a prime.

It is a super-2 number, since 2×15506622255² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1227337 + ... + 1239906.

It is an arithmetic number, because the mean of its divisors is an integer number (1554363720).

Almost surely, 2^15506622255 is an apocalyptic number.

15506622255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15506622255 is a deficient number, since it is larger than the sum of its proper divisors (9363197265).

15506622255 is a wasteful number, since it uses less digits than its factorization.

15506622255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2467670.

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 15506622255 in words is "fifteen billion, five hundred six million, six hundred twenty-two thousand, two hundred fifty-five".