15111641242 has 32 divisors (see below), whose sum is σ = 23123681280. Its totient is φ = 7405398000.

The previous prime is 15111641221. The next prime is 15111641257. The reversal of 15111641242 is 24214611151.

It is a self number, because there is not a number n which added to its sum of digits gives 15111641242.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18361243 + ... + 18362065.

It is an arithmetic number, because the mean of its divisors is an integer number (722615040).

Almost surely, 2^15111641242 is an apocalyptic number.

15111641242 is a deficient number, since it is larger than the sum of its proper divisors (8012040038).

15111641242 is a wasteful number, since it uses less digits than its factorization.

15111641242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618.

The product of its digits is 1920, while the sum is 28.

The spelling of 15111641242 in words is "fifteen billion, one hundred eleven million, six hundred forty-one thousand, two hundred forty-two".