10605511155 has 32 divisors (see below), whose sum is σ = 17089959744. Its totient is φ = 5616009216.

The previous prime is 10605511139. The next prime is 10605511157. The reversal of 10605511155 is 55111550601.

It is not a de Polignac number, because 10605511155 - 2⁴ = 10605511139 is a prime.

It is a super-2 number, since 2×10605511155² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10605511157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1609227 + ... + 1615803.

It is an arithmetic number, because the mean of its divisors is an integer number (534061242).

Almost surely, 2^10605511155 is an apocalyptic number.

10605511155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10605511155 is a deficient number, since it is larger than the sum of its proper divisors (6484448589).

10605511155 is a wasteful number, since it uses less digits than its factorization.

10605511155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7335.

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

The spelling of 10605511155 in words is "ten billion, six hundred five million, five hundred eleven thousand, one hundred fifty-five".