116728451731 has 2 divisors, whose sum is σ = 116728451732. Its totient is φ = 116728451730.

The previous prime is 116728451729. The next prime is 116728451753. The reversal of 116728451731 is 137154827611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 116728451731 - 2¹ = 116728451729 is a prime.

It is a super-2 number, since 2×116728451731² (a number of 23 digits) contains 22 as substring.

Together with 116728451729, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (116728451131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58364225865 + 58364225866.

It is an arithmetic number, because the mean of its divisors is an integer number (58364225866).

Almost surely, 2^116728451731 is an apocalyptic number.

116728451731 is a deficient number, since it is larger than the sum of its proper divisors (1).

116728451731 is an equidigital number, since it uses as much as digits as its factorization.

116728451731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 46.

The spelling of 116728451731 in words is "one hundred sixteen billion, seven hundred twenty-eight million, four hundred fifty-one thousand, seven hundred thirty-one".