13542051515142 has 16 divisors (see below), whose sum is σ = 27085188125952. Its totient is φ = 4513836322440.

The previous prime is 13542051515119. The next prime is 13542051515159. The reversal of 13542051515142 is 24151515024531.

It is a self number, because there is not a number n which added to its sum of digits gives 13542051515142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45050034 + ... + 45349637.

It is an arithmetic number, because the mean of its divisors is an integer number (1692824257872).

Almost surely, 2^{13542051515142} is an apocalyptic number.

13542051515142 is an abundant number, since it is smaller than the sum of its proper divisors (13543136610810).

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

13542051515142 is a wasteful number, since it uses less digits than its factorization.

13542051515142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90424643.

The product of its (nonzero) digits is 120000, while the sum is 39.

Adding to 13542051515142 its reverse (24151515024531), we get a palindrome (37693566539673).

The spelling of 13542051515142 in words is "thirteen trillion, five hundred forty-two billion, fifty-one million, five hundred fifteen thousand, one hundred forty-two".