5245126066402 has 4 divisors (see below), whose sum is σ = 7867689099606. Its totient is φ = 2622563033200.

The previous prime is 5245126066393. The next prime is 5245126066423. The reversal of 5245126066402 is 2046606215425.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3847909868881 + 1397216197521 = 1961609^2 + 1182039^2 .

It is a super-2 number, since 2×5245126066402² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1311281516599 + ... + 1311281516602.

Almost surely, 2^{5245126066402} is an apocalyptic number.

5245126066402 is a deficient number, since it is larger than the sum of its proper divisors (2622563033204).

5245126066402 is a wasteful number, since it uses less digits than its factorization.

5245126066402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2622563033203.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 5245126066402 in words is "five trillion, two hundred forty-five billion, one hundred twenty-six million, sixty-six thousand, four hundred two".