51010222422401 has 4 divisors (see below), whose sum is σ = 55647515369904. Its totient is φ = 46372929474900.

The previous prime is 51010222422347. The next prime is 51010222422451. The reversal of 51010222422401 is 10422422201015.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51010222422401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51010222422451) 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, 2318646473735 + ... + 2318646473756.

It is an arithmetic number, because the mean of its divisors is an integer number (13911878842476).

Almost surely, 2^{51010222422401} is an apocalyptic number.

It is an amenable number.

51010222422401 is a deficient number, since it is larger than the sum of its proper divisors (4637292947503).

51010222422401 is a wasteful number, since it uses less digits than its factorization.

51010222422401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4637292947502.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 51010222422401 its reverse (10422422201015), we get a palindrome (61432644623416).

The spelling of 51010222422401 in words is "fifty-one trillion, ten billion, two hundred twenty-two million, four hundred twenty-two thousand, four hundred one".