115902729550898 has 16 divisors (see below), whose sum is σ = 174414925784376. Its totient is φ = 57764432394240.

The previous prime is 115902729550837. The next prime is 115902729550913. The reversal of 115902729550898 is 898055927209511.

It can be written as a sum of positive squares in 4 ways, for example, as 55432090044529 + 60470639506369 = 7445273^2 + 7776287^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17540090 + ... + 23226282.

Almost surely, 2^{115902729550898} is an apocalyptic number.

115902729550898 is a deficient number, since it is larger than the sum of its proper divisors (58512196233478).

115902729550898 is a wasteful number, since it uses less digits than its factorization.

115902729550898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5719069.

The product of its (nonzero) digits is 163296000, while the sum is 71.

Adding to 115902729550898 its sum of digits (71), we get a square (115902729550969 = 10765813²).

The spelling of 115902729550898 in words is "one hundred fifteen trillion, nine hundred two billion, seven hundred twenty-nine million, five hundred fifty thousand, eight hundred ninety-eight".