15426424665102 has 128 divisors (see below), whose sum is σ = 37297341139968. Its totient is φ = 4195912089600.

The previous prime is 15426424665083. The next prime is 15426424665133. The reversal of 15426424665102 is 20156642462451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7809702 + ... + 9583542.

It is an arithmetic number, because the mean of its divisors is an integer number (291385477656).

Almost surely, 2^{15426424665102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15426424665102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18648670569984).

15426424665102 is an abundant number, since it is smaller than the sum of its proper divisors (21870916474866).

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

15426424665102 is a wasteful number, since it uses less digits than its factorization.

15426424665102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774234.

The product of its (nonzero) digits is 2764800, while the sum is 48.

The spelling of 15426424665102 in words is "fifteen trillion, four hundred twenty-six billion, four hundred twenty-four million, six hundred sixty-five thousand, one hundred two".