10199999955 has 16 divisors (see below), whose sum is σ = 16321251744. Its totient is φ = 5439582720.

The previous prime is 10199999947. The next prime is 10199999959. The reversal of 10199999955 is 55999999101.

It is not a de Polignac number, because 10199999955 - 2³ = 10199999947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10199999959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372907 + ... + 399323.

It is an arithmetic number, because the mean of its divisors is an integer number (1020078234).

Almost surely, 2^10199999955 is an apocalyptic number.

10199999955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10199999955 is a deficient number, since it is larger than the sum of its proper divisors (6121251789).

10199999955 is a wasteful number, since it uses less digits than its factorization.

10199999955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52166.

The product of its (nonzero) digits is 13286025, while the sum is 66.

The spelling of 10199999955 in words is "ten billion, one hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred fifty-five".