5965965912251 has 4 divisors (see below), whose sum is σ = 6011507636904. Its totient is φ = 5920424187600.

The previous prime is 5965965912241. The next prime is 5965965912281. The reversal of 5965965912251 is 1522195695695.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5965965912251 is a prime.

It is a super-2 number, since 2×5965965912251² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5965965912241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22770862130 + ... + 22770862391.

It is an arithmetic number, because the mean of its divisors is an integer number (1502876909226).

Almost surely, 2^{5965965912251} is an apocalyptic number.

5965965912251 is a deficient number, since it is larger than the sum of its proper divisors (45541724653).

5965965912251 is a wasteful number, since it uses less digits than its factorization.

5965965912251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45541724652.

The product of its digits is 65610000, while the sum is 65.

The spelling of 5965965912251 in words is "five trillion, nine hundred sixty-five billion, nine hundred sixty-five million, nine hundred twelve thousand, two hundred fifty-one".