3745875253561 has 8 divisors (see below), whose sum is σ = 4284606870720. Its totient is φ = 3208045281648.

The previous prime is 3745875253559. The next prime is 3745875253621. The reversal of 3745875253561 is 1653525785473.

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 3745875253561 - 2¹ = 3745875253559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3745875253561.

It is not an unprimeable number, because it can be changed into a prime (3745875253531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225402406 + ... + 225419023.

It is an arithmetic number, because the mean of its divisors is an integer number (535575858840).

Almost surely, 2^{3745875253561} is an apocalyptic number.

It is an amenable number.

3745875253561 is a deficient number, since it is larger than the sum of its proper divisors (538731617159).

3745875253561 is a wasteful number, since it uses less digits than its factorization.

3745875253561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450822623.

The product of its digits is 105840000, while the sum is 61.

The spelling of 3745875253561 in words is "three trillion, seven hundred forty-five billion, eight hundred seventy-five million, two hundred fifty-three thousand, five hundred sixty-one".