10519099920 has 120 divisors (see below), whose sum is σ = 40373326656. Its totient is φ = 2404364544.

The previous prime is 10519099919. The next prime is 10519099937. The reversal of 10519099920 is 2999091501.

10519099920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×10519099920² (a number of 21 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1038522 + ... + 1048601.

Almost surely, 2^10519099920 is an apocalyptic number.

10519099920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10519099920 is an abundant number, since it is smaller than the sum of its proper divisors (29854226736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10519099920 is a wasteful number, since it uses less digits than its factorization.

10519099920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087149 (or 2087140 counting only the distinct ones).

The product of its (nonzero) digits is 65610, while the sum is 45.

The spelling of 10519099920 in words is "ten billion, five hundred nineteen million, ninety-nine thousand, nine hundred twenty".