5251426121206 has 16 divisors (see below), whose sum is σ = 8050983137280. Its totient is φ = 2568347467560.

The previous prime is 5251426121203. The next prime is 5251426121261. The reversal of 5251426121206 is 6021216241525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5251426121203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145579896 + ... + 145615963.

It is an arithmetic number, because the mean of its divisors is an integer number (503186446080).

Almost surely, 2^{5251426121206} is an apocalyptic number.

5251426121206 is a deficient number, since it is larger than the sum of its proper divisors (2799557016074).

5251426121206 is a wasteful number, since it uses less digits than its factorization.

5251426121206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291196059.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 5251426121206 in words is "five trillion, two hundred fifty-one billion, four hundred twenty-six million, one hundred twenty-one thousand, two hundred six".