115140061 has 8 divisors (see below), whose sum is σ = 116970048. Its totient is φ = 113316000.

The previous prime is 115140059. The next prime is 115140089. The reversal of 115140061 is 160041511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115140061 - 2¹ = 115140059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115140661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52966 + ... + 55096.

It is an arithmetic number, because the mean of its divisors is an integer number (14621256).

Almost surely, 2^115140061 is an apocalyptic number.

It is an amenable number.

115140061 is a deficient number, since it is larger than the sum of its proper divisors (1829987).

115140061 is an equidigital number, since it uses as much as digits as its factorization.

115140061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2963.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 115140061 is about 10730.3336853986. Note that the first 3 decimals coincide. The cubic root of 115140061 is about 486.4917558609.

Adding to 115140061 its reverse (160041511), we get a palindrome (275181572).

The spelling of 115140061 in words is "one hundred fifteen million, one hundred forty thousand, sixty-one".