1401515254542 has 16 divisors (see below), whose sum is σ = 3018648240720. Its totient is φ = 431235462912.

The previous prime is 1401515254507. The next prime is 1401515254567. The reversal of 1401515254542 is 2454525151041.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 1401515254542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8984072067 + ... + 8984072222.

It is an arithmetic number, because the mean of its divisors is an integer number (188665515045).

Almost surely, 2^{1401515254542} is an apocalyptic number.

1401515254542 is an abundant number, since it is smaller than the sum of its proper divisors (1617132986178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1401515254542 is a wasteful number, since it uses less digits than its factorization.

1401515254542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17968144307.

The product of its (nonzero) digits is 160000, while the sum is 39.

The spelling of 1401515254542 in words is "one trillion, four hundred one billion, five hundred fifteen million, two hundred fifty-four thousand, five hundred forty-two".