51226115010402 has 16 divisors (see below), whose sum is σ = 102452340622752. Its totient is φ = 17075353236480.

The previous prime is 51226115010401. The next prime is 51226115010407. The reversal of 51226115010402 is 20401051162215.

51226115010402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51226115010402² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51226115010402.

It is not an unprimeable number, because it can be changed into a prime (51226115010401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2182377 + ... + 10354467.

It is an arithmetic number, because the mean of its divisors is an integer number (6403271288922).

Almost surely, 2^{51226115010402} is an apocalyptic number.

51226115010402 is an abundant number, since it is smaller than the sum of its proper divisors (51226225612350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51226115010402 is a wasteful number, since it uses less digits than its factorization.

51226115010402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9216833.

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 51226115010402 its reverse (20401051162215), we get a palindrome (71627166172617).

The spelling of 51226115010402 in words is "fifty-one trillion, two hundred twenty-six billion, one hundred fifteen million, ten thousand, four hundred two".