115155323040122 has 4 divisors (see below), whose sum is σ = 172732984560186. Its totient is φ = 57577661520060.

The previous prime is 115155323040113. The next prime is 115155323040221. The reversal of 115155323040122 is 221040323551511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 60881175364321 + 54274147675801 = 7802639^2 + 7367099^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28788830760029 + ... + 28788830760032.

Almost surely, 2^{115155323040122} is an apocalyptic number.

115155323040122 is a deficient number, since it is larger than the sum of its proper divisors (57577661520064).

115155323040122 is an equidigital number, since it uses as much as digits as its factorization.

115155323040122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57577661520063.

The product of its (nonzero) digits is 36000, while the sum is 35.

Adding to 115155323040122 its reverse (221040323551511), we get a palindrome (336195646591633).

The spelling of 115155323040122 in words is "one hundred fifteen trillion, one hundred fifty-five billion, three hundred twenty-three million, forty thousand, one hundred twenty-two".