10555551215 has 16 divisors (see below), whose sum is σ = 13841521056. Its totient is φ = 7663795200.

The previous prime is 10555551187. The next prime is 10555551233. The reversal of 10555551215 is 51215555501.

It is not a de Polignac number, because 10555551215 - 2⁶ = 10555551151 is a prime.

It is a super-2 number, since 2×10555551215² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129206 + ... + 194435.

It is an arithmetic number, because the mean of its divisors is an integer number (865095066).

Almost surely, 2^10555551215 is an apocalyptic number.

10555551215 is a deficient number, since it is larger than the sum of its proper divisors (3285969841).

10555551215 is a wasteful number, since it uses less digits than its factorization.

10555551215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324250.

The product of its (nonzero) digits is 31250, while the sum is 35.

The spelling of 10555551215 in words is "ten billion, five hundred fifty-five million, five hundred fifty-one thousand, two hundred fifteen".