10195553385 has 12 divisors (see below), whose sum is σ = 17672292612. Its totient is φ = 5437628448.

The previous prime is 10195553369. The next prime is 10195553437. The reversal of 10195553385 is 58335559101.

10195553385 is a `hidden beast` number, since 1 + 0 + 1 + 95 + 553 + 3 + 8 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7791416361 + 2404137024 = 88269^2 + 49032^2 .

It is not a de Polignac number, because 10195553385 - 2⁴ = 10195553369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 226567853 = 10195553385 / (1 + 0 + 1 + 9 + 5 + 5 + 5 + 3 + 3 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 10195553385.

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, 113283882 + ... + 113283971.

It is an arithmetic number, because the mean of its divisors is an integer number (1472691051).

Almost surely, 2^10195553385 is an apocalyptic number.

10195553385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10195553385 is a deficient number, since it is larger than the sum of its proper divisors (7476739227).

10195553385 is a wasteful number, since it uses less digits than its factorization.

10195553385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226567864 (or 226567861 counting only the distinct ones).

The product of its (nonzero) digits is 405000, while the sum is 45.

The spelling of 10195553385 in words is "ten billion, one hundred ninety-five million, five hundred fifty-three thousand, three hundred eighty-five".