115943501501 has 4 divisors (see below), whose sum is σ = 116246226432. Its totient is φ = 115640776572.

The previous prime is 115943501441. The next prime is 115943501503. The reversal of 115943501501 is 105105349511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 105105349511 = 144667 ⋅726533.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115943501501 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 (115943501503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151361891 + ... + 151362656.

It is an arithmetic number, because the mean of its divisors is an integer number (29061556608).

Almost surely, 2^115943501501 is an apocalyptic number.

It is an amenable number.

115943501501 is a deficient number, since it is larger than the sum of its proper divisors (302724931).

115943501501 is an equidigital number, since it uses as much as digits as its factorization.

115943501501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302724930.

The product of its (nonzero) digits is 13500, while the sum is 35.

The spelling of 115943501501 in words is "one hundred fifteen billion, nine hundred forty-three million, five hundred one thousand, five hundred one".