5215116626477 has 2 divisors, whose sum is σ = 5215116626478. Its totient is φ = 5215116626476.

The previous prime is 5215116626431. The next prime is 5215116626579. The reversal of 5215116626477 is 7746266115125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3875960812516 + 1339155813961 = 1968746^2 + 1157219^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5215116626477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5215116676477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2607558313238 + 2607558313239.

It is an arithmetic number, because the mean of its divisors is an integer number (2607558313239).

Almost surely, 2^{5215116626477} is an apocalyptic number.

It is an amenable number.

5215116626477 is a deficient number, since it is larger than the sum of its proper divisors (1).

5215116626477 is an equidigital number, since it uses as much as digits as its factorization.

5215116626477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4233600, while the sum is 53.

The spelling of 5215116626477 in words is "five trillion, two hundred fifteen billion, one hundred sixteen million, six hundred twenty-six thousand, four hundred seventy-seven".