105720489914 has 16 divisors (see below), whose sum is σ = 170784609408. Its totient is φ = 48792541872.

The previous prime is 105720489877. The next prime is 105720489937. The reversal of 105720489914 is 419984027501.

It is a happy number.

It is a super-2 number, since 2×105720489914² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1619699 + ... + 1683705.

It is an arithmetic number, because the mean of its divisors is an integer number (10674038088).

Almost surely, 2^105720489914 is an apocalyptic number.

105720489914 is a deficient number, since it is larger than the sum of its proper divisors (65064119494).

105720489914 is a wasteful number, since it uses less digits than its factorization.

105720489914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127549.

The product of its (nonzero) digits is 725760, while the sum is 50.

The spelling of 105720489914 in words is "one hundred five billion, seven hundred twenty million, four hundred eighty-nine thousand, nine hundred fourteen".