15543630042 has 16 divisors (see below), whose sum is σ = 31250022912. Its totient is φ = 5154082880.

The previous prime is 15543630031. The next prime is 15543630059. The reversal of 15543630042 is 24003634551.

It is a junction number, because it is equal to n+sod(n) for n = 15543629985 and 15543630012.

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, 6780543 + ... + 6782834.

It is an arithmetic number, because the mean of its divisors is an integer number (1953126432).

Almost surely, 2^15543630042 is an apocalyptic number.

15543630042 is an abundant number, since it is smaller than the sum of its proper divisors (15706392870).

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

15543630042 is a wasteful number, since it uses less digits than its factorization.

15543630042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13563573.

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 15543630042 in words is "fifteen billion, five hundred forty-three million, six hundred thirty thousand, forty-two".