51226813311 has 16 divisors (see below), whose sum is σ = 73650877440. Its totient is φ = 31564658880.

The previous prime is 51226813289. The next prime is 51226813321. The reversal of 51226813311 is 11331862215.

It is not a de Polignac number, because 51226813311 - 2⁶ = 51226813247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51226813321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10957615 + ... + 10962288.

It is an arithmetic number, because the mean of its divisors is an integer number (4603179840).

Almost surely, 2^51226813311 is an apocalyptic number.

51226813311 is a deficient number, since it is larger than the sum of its proper divisors (22424064129).

51226813311 is a wasteful number, since it uses less digits than its factorization.

51226813311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21919966.

The product of its digits is 8640, while the sum is 33.

The spelling of 51226813311 in words is "fifty-one billion, two hundred twenty-six million, eight hundred thirteen thousand, three hundred eleven".