116777661125 has 16 divisors (see below), whose sum is σ = 145750278960. Its totient is φ = 93414592000.

The previous prime is 116777661109. The next prime is 116777661193. The reversal of 116777661125 is 521166777611.

It can be written as a sum of positive squares in 8 ways, for example, as 8530739044 + 108246922081 = 92362^2 + 329009^2 .

It is not a de Polignac number, because 116777661125 - 2⁴ = 116777661109 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1925261 + ... + 1984989.

It is an arithmetic number, because the mean of its divisors is an integer number (9109392435).

Almost surely, 2^116777661125 is an apocalyptic number.

It is an amenable number.

116777661125 is a deficient number, since it is larger than the sum of its proper divisors (28972617835).

116777661125 is an equidigital number, since it uses as much as digits as its factorization.

116777661125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75385 (or 75375 counting only the distinct ones).

The product of its digits is 740880, while the sum is 50.

The spelling of 116777661125 in words is "one hundred sixteen billion, seven hundred seventy-seven million, six hundred sixty-one thousand, one hundred twenty-five".