2815810151142 has 16 divisors (see below), whose sum is σ = 5632075457712. Its totient is φ = 938527524480.

The previous prime is 2815810151137. The next prime is 2815810151159. The reversal of 2815810151142 is 2411510185182.

It is a self number, because there is not a number n which added to its sum of digits gives 2815810151142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18884359 + ... + 19032882.

It is an arithmetic number, because the mean of its divisors is an integer number (352004716107).

Almost surely, 2^{2815810151142} is an apocalyptic number.

2815810151142 is an abundant number, since it is smaller than the sum of its proper divisors (2816265306570).

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

2815810151142 is a wasteful number, since it uses less digits than its factorization.

2815810151142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37929623.

The product of its (nonzero) digits is 25600, while the sum is 39.

The spelling of 2815810151142 in words is "two trillion, eight hundred fifteen billion, eight hundred ten million, one hundred fifty-one thousand, one hundred forty-two".