15534426531042 has 48 divisors (see below), whose sum is σ = 33831458492832. Its totient is φ = 5151492744000.

The previous prime is 15534426530989. The next prime is 15534426531053. The reversal of 15534426531042 is 24013562443551.

15534426531042 is a `hidden beast` number, since 1 + 5 + 5 + 34 + 4 + 265 + 310 + 42 = 666.

15534426531042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1865893 + ... + 5877959.

It is an arithmetic number, because the mean of its divisors is an integer number (704822051934).

Almost surely, 2^{15534426531042} is an apocalyptic number.

15534426531042 is an abundant number, since it is smaller than the sum of its proper divisors (18297031961790).

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

15534426531042 is a wasteful number, since it uses less digits than its factorization.

15534426531042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4013183 (or 4013180 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

Adding to 15534426531042 its reverse (24013562443551), we get a palindrome (39547988974593).

The spelling of 15534426531042 in words is "fifteen trillion, five hundred thirty-four billion, four hundred twenty-six million, five hundred thirty-one thousand, forty-two".