15093661242 has 96 divisors (see below), whose sum is σ = 35659262016. Its totient is φ = 4240304640.

The previous prime is 15093661241. The next prime is 15093661277. The reversal of 15093661242 is 24216639051.

It is a self number, because there is not a number n which added to its sum of digits gives 15093661242.

It is not an unprimeable number, because it can be changed into a prime (15093661241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 817788 + ... + 836040.

It is an arithmetic number, because the mean of its divisors is an integer number (371450646).

Almost surely, 2^15093661242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15093661242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17829631008).

15093661242 is an abundant number, since it is smaller than the sum of its proper divisors (20565600774).

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

15093661242 is a wasteful number, since it uses less digits than its factorization.

15093661242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18364 (or 18353 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 15093661242 in words is "fifteen billion, ninety-three million, six hundred sixty-one thousand, two hundred forty-two".