10551111099 has 16 divisors (see below), whose sum is σ = 14145516672. Its totient is φ = 6995478528.

The previous prime is 10551111097. The next prime is 10551111101. The reversal of 10551111099 is 99011115501.

It is an interprime number because it is at equal distance from previous prime (10551111097) and next prime (10551111101).

It is not a de Polignac number, because 10551111099 - 2¹ = 10551111097 is a prime.

It is a super-2 number, since 2×10551111099² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10551111091) 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, 485112 + ... + 506394.

It is an arithmetic number, because the mean of its divisors is an integer number (884094792).

Almost surely, 2^10551111099 is an apocalyptic number.

10551111099 is a deficient number, since it is larger than the sum of its proper divisors (3594405573).

10551111099 is a wasteful number, since it uses less digits than its factorization.

10551111099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22186.

The product of its (nonzero) digits is 2025, while the sum is 33.

The spelling of 10551111099 in words is "ten billion, five hundred fifty-one million, one hundred eleven thousand, ninety-nine".