116551501061 has 2 divisors, whose sum is σ = 116551501062. Its totient is φ = 116551501060.

The previous prime is 116551501057. The next prime is 116551501123. The reversal of 116551501061 is 160105155611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112456269025 + 4095232036 = 335345^2 + 63994^2 .

It is an emirp because it is prime and its reverse (160105155611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 116551501061 - 2² = 116551501057 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116551506061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58275750530 + 58275750531.

It is an arithmetic number, because the mean of its divisors is an integer number (58275750531).

Almost surely, 2^116551501061 is an apocalyptic number.

It is an amenable number.

116551501061 is a deficient number, since it is larger than the sum of its proper divisors (1).

116551501061 is an equidigital number, since it uses as much as digits as its factorization.

116551501061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 32.

Adding to 116551501061 its reverse (160105155611), we get a palindrome (276656656672).

The spelling of 116551501061 in words is "one hundred sixteen billion, five hundred fifty-one million, five hundred one thousand, sixty-one".