3743705155561 has 8 divisors (see below), whose sum is σ = 4278532072064. Its totient is φ = 3208881212640.

The previous prime is 3743705155483. The next prime is 3743705155573. The reversal of 3743705155561 is 1655515073473.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3743705155561 - 2¹⁵ = 3743705122793 is a prime.

It is a super-2 number, since 2×3743705155561² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3743705155499 and 3743705155508.

It is not an unprimeable number, because it can be changed into a prime (3743705155961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3830956 + ... + 4707826.

It is an arithmetic number, because the mean of its divisors is an integer number (534816509008).

Almost surely, 2^{3743705155561} is an apocalyptic number.

It is an amenable number.

3743705155561 is a deficient number, since it is larger than the sum of its proper divisors (534826916503).

3743705155561 is an equidigital number, since it uses as much as digits as its factorization.

3743705155561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486791.

The product of its (nonzero) digits is 6615000, while the sum is 52.

The spelling of 3743705155561 in words is "three trillion, seven hundred forty-three billion, seven hundred five million, one hundred fifty-five thousand, five hundred sixty-one".