3726581028081 has 32 divisors (see below), whose sum is σ = 4990263336960. Its totient is φ = 2473674228864.

The previous prime is 3726581028061. The next prime is 3726581028089. The reversal of 3726581028081 is 1808201856273.

It is not a de Polignac number, because 3726581028081 - 2³³ = 3717991093489 is a prime.

It is a super-2 number, since 2×3726581028081² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3726581028089) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2290460790 + ... + 2290462416.

It is an arithmetic number, because the mean of its divisors is an integer number (155945729280).

Almost surely, 2^{3726581028081} is an apocalyptic number.

It is an amenable number.

3726581028081 is a deficient number, since it is larger than the sum of its proper divisors (1263682308879).

3726581028081 is a wasteful number, since it uses less digits than its factorization.

3726581028081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4685.

The product of its (nonzero) digits is 1290240, while the sum is 51.

The spelling of 3726581028081 in words is "three trillion, seven hundred twenty-six billion, five hundred eighty-one million, twenty-eight thousand, eighty-one".