15421886106 has 16 divisors (see below), whose sum is σ = 33647751648. Its totient is φ = 4673298800.

The previous prime is 15421886089. The next prime is 15421886167. The reversal of 15421886106 is 60168812451.

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, 116832405 + ... + 116832536.

It is an arithmetic number, because the mean of its divisors is an integer number (2102984478).

Almost surely, 2^15421886106 is an apocalyptic number.

15421886106 is an abundant number, since it is smaller than the sum of its proper divisors (18225865542).

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

15421886106 is a wasteful number, since it uses less digits than its factorization.

15421886106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233664957.

The product of its (nonzero) digits is 92160, while the sum is 42.

The spelling of 15421886106 in words is "fifteen billion, four hundred twenty-one million, eight hundred eighty-six thousand, one hundred six".