65277156251 has 2 divisors, whose sum is σ = 65277156252. Its totient is φ = 65277156250.

The previous prime is 65277156239. The next prime is 65277156367. The reversal of 65277156251 is 15265177256.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65277156251 - 2¹⁰ = 65277155227 is a prime.

It is a super-2 number, since 2×65277156251² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 65277156196 and 65277156205.

It is not a weakly prime, because it can be changed into another prime (65277156551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32638578125 + 32638578126.

It is an arithmetic number, because the mean of its divisors is an integer number (32638578126).

Almost surely, 2^65277156251 is an apocalyptic number.

65277156251 is a deficient number, since it is larger than the sum of its proper divisors (1).

65277156251 is an equidigital number, since it uses as much as digits as its factorization.

65277156251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 882000, while the sum is 47.

The spelling of 65277156251 in words is "sixty-five billion, two hundred seventy-seven million, one hundred fifty-six thousand, two hundred fifty-one".