116778072553 has 2 divisors, whose sum is σ = 116778072554. Its totient is φ = 116778072552.

The previous prime is 116778072533. The next prime is 116778072643. The reversal of 116778072553 is 355270877611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59803724304 + 56974348249 = 244548^2 + 238693^2 .

It is a cyclic number.

It is not a de Polignac number, because 116778072553 - 2²⁹ = 116241201641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 116778072553.

It is not a weakly prime, because it can be changed into another prime (116778072533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58389036276 + 58389036277.

It is an arithmetic number, because the mean of its divisors is an integer number (58389036277).

Almost surely, 2^116778072553 is an apocalyptic number.

It is an amenable number.

116778072553 is a deficient number, since it is larger than the sum of its proper divisors (1).

116778072553 is an equidigital number, since it uses as much as digits as its factorization.

116778072553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2469600, while the sum is 52.

The spelling of 116778072553 in words is "one hundred sixteen billion, seven hundred seventy-eight million, seventy-two thousand, five hundred fifty-three".