2061106115720 has 32 divisors (see below), whose sum is σ = 4797402168600. Its totient is φ = 796013395968.

The previous prime is 2061106115657. The next prime is 2061106115743. The reversal of 2061106115720 is 275116011602.

It can be written as a sum of positive squares in 4 ways, for example, as 1687489333156 + 373616782564 = 1299034^2 + 611242^2 .

It is a super-2 number, since 2×2061106115720² (a number of 25 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, 888406649 + ... + 888408968.

Almost surely, 2^{2061106115720} is an apocalyptic number.

2061106115720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2061106115720 is an abundant number, since it is smaller than the sum of its proper divisors (2736296052880).

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

2061106115720 is a wasteful number, since it uses less digits than its factorization.

2061106115720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776815657 (or 1776815653 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The spelling of 2061106115720 in words is "two trillion, sixty-one billion, one hundred six million, one hundred fifteen thousand, seven hundred twenty".