10505107155 has 16 divisors (see below), whose sum is σ = 17262447264. Its totient is φ = 5451298560.

The previous prime is 10505107153. The next prime is 10505107159. The reversal of 10505107155 is 55170150501.

It is not a de Polignac number, because 10505107155 - 2¹ = 10505107153 is a prime.

It is a super-2 number, since 2×10505107155² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10505107153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9463506 + ... + 9464615.

It is an arithmetic number, because the mean of its divisors is an integer number (1078902954).

Almost surely, 2^10505107155 is an apocalyptic number.

10505107155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10505107155 is a deficient number, since it is larger than the sum of its proper divisors (6757340109).

10505107155 is a wasteful number, since it uses less digits than its factorization.

10505107155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18928166.

The product of its (nonzero) digits is 4375, while the sum is 30.

Adding to 10505107155 its reverse (55170150501), we get a palindrome (65675257656).

The spelling of 10505107155 in words is "ten billion, five hundred five million, one hundred seven thousand, one hundred fifty-five".