15112102218486 has 128 divisors (see below), whose sum is σ = 37255955014656. Its totient is φ = 3979512875520.

The previous prime is 15112102218481. The next prime is 15112102218533. The reversal of 15112102218486 is 68481220121151.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15112102218481) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2184773500 + ... + 2184780416.

It is an arithmetic number, because the mean of its divisors is an integer number (291062148552).

Almost surely, 2^{15112102218486} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15112102218486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18627977507328).

15112102218486 is an abundant number, since it is smaller than the sum of its proper divisors (22143852796170).

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

15112102218486 is a wasteful number, since it uses less digits than its factorization.

15112102218486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12486.

The product of its (nonzero) digits is 61440, while the sum is 42.

The spelling of 15112102218486 in words is "fifteen trillion, one hundred twelve billion, one hundred two million, two hundred eighteen thousand, four hundred eighty-six".