115211303230542 has 16 divisors (see below), whose sum is σ = 230424554035200. Its totient is φ = 38403443147832.

The previous prime is 115211303230501. The next prime is 115211303230559. The reversal of 115211303230542 is 245032303112511.

It is a happy number.

It is a super-2 number, since 2×115211303230542² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80379328 + ... + 81800115.

It is an arithmetic number, because the mean of its divisors is an integer number (14401534627200).

Almost surely, 2^{115211303230542} is an apocalyptic number.

115211303230542 is an abundant number, since it is smaller than the sum of its proper divisors (115213250804658).

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

115211303230542 is a wasteful number, since it uses less digits than its factorization.

115211303230542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162297847.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 115211303230542 in words is "one hundred fifteen trillion, two hundred eleven billion, three hundred three million, two hundred thirty thousand, five hundred forty-two".