5051213011531 has 4 divisors (see below), whose sum is σ = 5051254066272. Its totient is φ = 5051171956792.

The previous prime is 5051213011519. The next prime is 5051213011589. The reversal of 5051213011531 is 1351103121505.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5051213011531 is a prime.

It is a super-2 number, since 2×5051213011531² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5051213011531.

It is not an unprimeable number, because it can be changed into a prime (5051213011501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20342260 + ... + 20589073.

It is an arithmetic number, because the mean of its divisors is an integer number (1262813516568).

Almost surely, 2^{5051213011531} is an apocalyptic number.

5051213011531 is a deficient number, since it is larger than the sum of its proper divisors (41054741).

5051213011531 is a wasteful number, since it uses less digits than its factorization.

5051213011531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41054740.

The product of its (nonzero) digits is 2250, while the sum is 28.

The spelling of 5051213011531 in words is "five trillion, fifty-one billion, two hundred thirteen million, eleven thousand, five hundred thirty-one".