10115019903 has 16 divisors (see below), whose sum is σ = 13811764736. Its totient is φ = 6581070720.

The previous prime is 10115019869. The next prime is 10115019961. The reversal of 10115019903 is 30991051101.

It is not a de Polignac number, because 10115019903 - 2⁹ = 10115019391 is a prime.

It is a super-2 number, since 2×10115019903² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10115011903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126951 + ... + 190647.

It is an arithmetic number, because the mean of its divisors is an integer number (863235296).

Almost surely, 2^10115019903 is an apocalyptic number.

10115019903 is a deficient number, since it is larger than the sum of its proper divisors (3696744833).

10115019903 is a wasteful number, since it uses less digits than its factorization.

10115019903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64974.

The product of its (nonzero) digits is 1215, while the sum is 30.

The spelling of 10115019903 in words is "ten billion, one hundred fifteen million, nineteen thousand, nine hundred three".