5156611611077 has 2 divisors, whose sum is σ = 5156611611078. Its totient is φ = 5156611611076.

The previous prime is 5156611611061. The next prime is 5156611611079. The reversal of 5156611611077 is 7701161166515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3482967445441 + 1673644165636 = 1866271^2 + 1293694^2 .

It is a cyclic number.

It is not a de Polignac number, because 5156611611077 - 2⁴ = 5156611611061 is a prime.

Together with 5156611611079, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5156611611079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2578305805538 + 2578305805539.

It is an arithmetic number, because the mean of its divisors is an integer number (2578305805539).

Almost surely, 2^{5156611611077} is an apocalyptic number.

It is an amenable number.

5156611611077 is a deficient number, since it is larger than the sum of its proper divisors (1).

5156611611077 is an equidigital number, since it uses as much as digits as its factorization.

5156611611077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 264600, while the sum is 47.

The spelling of 5156611611077 in words is "five trillion, one hundred fifty-six billion, six hundred eleven million, six hundred eleven thousand, seventy-seven".