10113721489 has 27 divisors (see below), whose sum is σ = 10974627657. Its totient is φ = 9318940488.

The previous prime is 10113721487. The next prime is 10113721517. The reversal of 10113721489 is 98412731101.

The square root of 10113721489 is 100567.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 10113721489 - 2¹ = 10113721487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10113721487) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 128021752 + ... + 128021830.

It is an arithmetic number, because the mean of its divisors is an integer number (406467691).

Almost surely, 2^10113721489 is an apocalyptic number.

10113721489 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

10113721489 is the 100567-th square number.

10113721489 is the 50284-th centered octagonal number.

It is an amenable number.

10113721489 is a deficient number, since it is larger than the sum of its proper divisors (860906168).

10113721489 is an frugal number, since it uses more digits than its factorization.

10113721489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 37.

The spelling of 10113721489 in words is "ten billion, one hundred thirteen million, seven hundred twenty-one thousand, four hundred eighty-nine".