10055188890 has 24 divisors (see below), whose sum is σ = 26143491348. Its totient is φ = 2681383680.

The previous prime is 10055188853. The next prime is 10055188933. The reversal of 10055188890 is 9888155001.

10055188890 is a `hidden beast` number, since 1 + 0 + 0 + 551 + 8 + 8 + 8 + 90 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9583039449 + 472149441 = 97893^2 + 21729^2 .

It is a super-2 number, since 2×10055188890² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55862071 + ... + 55862250.

Almost surely, 2^10055188890 is an apocalyptic number.

10055188890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10055188890 is an abundant number, since it is smaller than the sum of its proper divisors (16088302458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10055188890 is a wasteful number, since it uses less digits than its factorization.

10055188890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111724334 (or 111724331 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 45.

The spelling of 10055188890 in words is "ten billion, fifty-five million, one hundred eighty-eight thousand, eight hundred ninety".