15205411242 has 24 divisors (see below), whose sum is σ = 37651494816. Its totient is φ = 4344403176.

The previous prime is 15205411237. The next prime is 15205411259. The reversal of 15205411242 is 24211450251.

It is a happy number.

15205411242 is a `hidden beast` number, since 1 + 5 + 2 + 0 + 5 + 411 + 242 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60338808 + ... + 60339059.

It is an arithmetic number, because the mean of its divisors is an integer number (1568812284).

Almost surely, 2^15205411242 is an apocalyptic number.

15205411242 is an abundant number, since it is smaller than the sum of its proper divisors (22446083574).

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

15205411242 is a wasteful number, since it uses less digits than its factorization.

15205411242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120677882 (or 120677879 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 15205411242 its reverse (24211450251), we get a palindrome (39416861493).

The spelling of 15205411242 in words is "fifteen billion, two hundred five million, four hundred eleven thousand, two hundred forty-two".