15551006115 has 16 divisors (see below), whose sum is σ = 25460252928. Its totient is φ = 8100988896.

The previous prime is 15551006111. The next prime is 15551006117. The reversal of 15551006115 is 51160015551.

It is not a de Polignac number, because 15551006115 - 2² = 15551006111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15551006111) 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, 12054399 + ... + 12055688.

It is an arithmetic number, because the mean of its divisors is an integer number (1591265808).

Almost surely, 2^15551006115 is an apocalyptic number.

15551006115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15551006115 is a deficient number, since it is larger than the sum of its proper divisors (9909246813).

15551006115 is a wasteful number, since it uses less digits than its factorization.

15551006115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24110138.

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 15551006115 in words is "fifteen billion, five hundred fifty-one million, six thousand, one hundred fifteen".