51102326745 has 24 divisors (see below), whose sum is σ = 88831197000. Its totient is φ = 27176472576.

The previous prime is 51102326701. The next prime is 51102326747. The reversal of 51102326745 is 54762320115.

It can be written as a sum of positive squares in 4 ways, for example, as 6213853584 + 44888473161 = 78828^2 + 211869^2 .

It is not a de Polignac number, because 51102326745 - 2¹⁹ = 51101802457 is a prime.

It is a super-2 number, since 2×51102326745² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51102326747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1611240 + ... + 1642649.

It is an arithmetic number, because the mean of its divisors is an integer number (3701299875).

Almost surely, 2^51102326745 is an apocalyptic number.

It is an amenable number.

51102326745 is a deficient number, since it is larger than the sum of its proper divisors (37728870255).

51102326745 is a wasteful number, since it uses less digits than its factorization.

51102326745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3254249 (or 3254246 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 51102326745 in words is "fifty-one billion, one hundred two million, three hundred twenty-six thousand, seven hundred forty-five".