115155510500542 has 4 divisors (see below), whose sum is σ = 172733265750816. Its totient is φ = 57577755250270.

The previous prime is 115155510500483. The next prime is 115155510500551. The reversal of 115155510500542 is 245005015551511.

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

It is a junction number, because it is equal to n+sod(n) for n = 115155510500495 and 115155510500504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28788877625134 + ... + 28788877625137.

It is an arithmetic number, because the mean of its divisors is an integer number (43183316437704).

Almost surely, 2^{115155510500542} is an apocalyptic number.

115155510500542 is a deficient number, since it is larger than the sum of its proper divisors (57577755250274).

115155510500542 is an equidigital number, since it uses as much as digits as its factorization.

115155510500542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57577755250273.

The product of its (nonzero) digits is 125000, while the sum is 40.

The spelling of 115155510500542 in words is "one hundred fifteen trillion, one hundred fifty-five billion, five hundred ten million, five hundred thousand, five hundred forty-two".