15534422042 has 32 divisors (see below), whose sum is σ = 24452986752. Its totient is φ = 7387389504.

The previous prime is 15534422011. The next prime is 15534422069. The reversal of 15534422042 is 24022443551.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8319593 + ... + 8321459.

It is an arithmetic number, because the mean of its divisors is an integer number (764155836).

Almost surely, 2^15534422042 is an apocalyptic number.

15534422042 is a deficient number, since it is larger than the sum of its proper divisors (8918564710).

15534422042 is a wasteful number, since it uses less digits than its factorization.

15534422042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 15534422042 its reverse (24022443551), we get a palindrome (39556865593).

The spelling of 15534422042 in words is "fifteen billion, five hundred thirty-four million, four hundred twenty-two thousand, forty-two".