3881120451451 has 4 divisors (see below), whose sum is σ = 3881140734400. Its totient is φ = 3881100168504.

The previous prime is 3881120451449. The next prime is 3881120451541. The reversal of 3881120451451 is 1541540211883.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3881120451451 - 2¹ = 3881120451449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3881120451398 and 3881120451407.

It is not an unprimeable number, because it can be changed into a prime (3881120451401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9851691 + ... + 10238068.

It is an arithmetic number, because the mean of its divisors is an integer number (970285183600).

Almost surely, 2^{3881120451451} is an apocalyptic number.

3881120451451 is a deficient number, since it is larger than the sum of its proper divisors (20282949).

3881120451451 is a wasteful number, since it uses less digits than its factorization.

3881120451451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20282948.

The product of its (nonzero) digits is 153600, while the sum is 43.

The spelling of 3881120451451 in words is "three trillion, eight hundred eighty-one billion, one hundred twenty million, four hundred fifty-one thousand, four hundred fifty-one".