113542110531515 has 4 divisors (see below), whose sum is σ = 136250532637824. Its totient is φ = 90833688425208.

The previous prime is 113542110531461. The next prime is 113542110531523. The reversal of 113542110531515 is 515135011245311.

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

It is a cyclic number.

It is not a de Polignac number, because 113542110531515 - 2³⁸ = 113267232624571 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11354211053147 + ... + 11354211053156.

It is an arithmetic number, because the mean of its divisors is an integer number (34062633159456).

Almost surely, 2^{113542110531515} is an apocalyptic number.

113542110531515 is a deficient number, since it is larger than the sum of its proper divisors (22708422106309).

113542110531515 is an equidigital number, since it uses as much as digits as its factorization.

113542110531515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22708422106308.

The product of its (nonzero) digits is 45000, while the sum is 38.

Adding to 113542110531515 its reverse (515135011245311), we get a palindrome (628677121776826).

The spelling of 113542110531515 in words is "one hundred thirteen trillion, five hundred forty-two billion, one hundred ten million, five hundred thirty-one thousand, five hundred fifteen".