116905742591 has 4 divisors (see below), whose sum is σ = 127533537384. Its totient is φ = 106277947800.

The previous prime is 116905742581. The next prime is 116905742627. The reversal of 116905742591 is 195247509611.

It is a happy number.

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 116905742591 - 2²⁶ = 116838633727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116905742581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5313897380 + ... + 5313897401.

It is an arithmetic number, because the mean of its divisors is an integer number (31883384346).

Almost surely, 2^116905742591 is an apocalyptic number.

116905742591 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

116905742591 is a deficient number, since it is larger than the sum of its proper divisors (10627794793).

116905742591 is a wasteful number, since it uses less digits than its factorization.

116905742591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10627794792.

The product of its (nonzero) digits is 680400, while the sum is 50.

The spelling of 116905742591 in words is "one hundred sixteen billion, nine hundred five million, seven hundred forty-two thousand, five hundred ninety-one".