15909109120410 has 128 divisors (see below), whose sum is σ = 42624250859520. Its totient is φ = 3766828665600.

The previous prime is 15909109120409. The next prime is 15909109120423. The reversal of 15909109120410 is 1402190190951.

It is a super-2 number, since 2×15909109120410² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 363540111 + ... + 363583869.

It is an arithmetic number, because the mean of its divisors is an integer number (333001959840).

Almost surely, 2^{15909109120410} is an apocalyptic number.

15909109120410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15909109120410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21312125429760).

15909109120410 is an abundant number, since it is smaller than the sum of its proper divisors (26715141739110).

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

15909109120410 is a wasteful number, since it uses less digits than its factorization.

15909109120410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69444.

The product of its (nonzero) digits is 29160, while the sum is 42.

The spelling of 15909109120410 in words is "fifteen trillion, nine hundred nine billion, one hundred nine million, one hundred twenty thousand, four hundred ten".