116429405861 has 2 divisors, whose sum is σ = 116429405862. Its totient is φ = 116429405860.

The previous prime is 116429405849. The next prime is 116429405867. The reversal of 116429405861 is 168504924611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89338221025 + 27091184836 = 298895^2 + 164594^2 .

It is a cyclic number.

It is not a de Polignac number, because 116429405861 - 2²² = 116425211557 is a prime.

It is a super-2 number, since 2×116429405861² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116429405867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58214702930 + 58214702931.

It is an arithmetic number, because the mean of its divisors is an integer number (58214702931).

Almost surely, 2^116429405861 is an apocalyptic number.

It is an amenable number.

116429405861 is a deficient number, since it is larger than the sum of its proper divisors (1).

116429405861 is an equidigital number, since it uses as much as digits as its factorization.

116429405861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 116429405861 in words is "one hundred sixteen billion, four hundred twenty-nine million, four hundred five thousand, eight hundred sixty-one".