10203099975 has 36 divisors (see below), whose sum is σ = 18297006000. Its totient is φ = 5435066880.

The previous prime is 10203099937. The next prime is 10203100009. The reversal of 10203099975 is 57999030201.

It is a happy number.

It is not a de Polignac number, because 10203099975 - 2⁶ = 10203099911 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 10203099975.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 161751 + ... + 215799.

Almost surely, 2^10203099975 is an apocalyptic number.

10203099975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10203099975 is a deficient number, since it is larger than the sum of its proper divisors (8093906025).

10203099975 is a wasteful number, since it uses less digits than its factorization.

10203099975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54904 (or 54896 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 45.

The spelling of 10203099975 in words is "ten billion, two hundred three million, ninety-nine thousand, nine hundred seventy-five".