10099815187 has 24 divisors (see below), whose sum is σ = 12730985568. Its totient is φ = 7842933120.

The previous prime is 10099815169. The next prime is 10099815197. The reversal of 10099815187 is 78151899001.

It is a happy number.

It is not a de Polignac number, because 10099815187 - 2⁷ = 10099815059 is a prime.

It is a super-3 number, since 3×10099815187³ (a number of 31 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 10099815187.

It is not an unprimeable number, because it can be changed into a prime (10099815127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227823 + ... + 268519.

It is an arithmetic number, because the mean of its divisors is an integer number (530457732).

Almost surely, 2^10099815187 is an apocalyptic number.

10099815187 is a deficient number, since it is larger than the sum of its proper divisors (2631170381).

10099815187 is a wasteful number, since it uses less digits than its factorization.

10099815187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41019 (or 41008 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 49.

The spelling of 10099815187 in words is "ten billion, ninety-nine million, eight hundred fifteen thousand, one hundred eighty-seven".