7142445553451 has 8 divisors (see below), whose sum is σ = 7739053796880. Its totient is φ = 6552578646432.

The previous prime is 7142445553447. The next prime is 7142445553501. The reversal of 7142445553451 is 1543555442417.

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

It is not a de Polignac number, because 7142445553451 - 2² = 7142445553447 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 7142445553451.

It is not an unprimeable number, because it can be changed into a prime (7142445553351) 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, 1685331896 + ... + 1685336133.

It is an arithmetic number, because the mean of its divisors is an integer number (967381724610).

Almost surely, 2^{7142445553451} is an apocalyptic number.

7142445553451 is a deficient number, since it is larger than the sum of its proper divisors (596608243429).

7142445553451 is a wasteful number, since it uses less digits than its factorization.

7142445553451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370668205.

The product of its digits is 6720000, while the sum is 50.

The spelling of 7142445553451 in words is "seven trillion, one hundred forty-two billion, four hundred forty-five million, five hundred fifty-three thousand, four hundred fifty-one".