51521114543 has 2 divisors, whose sum is σ = 51521114544. Its totient is φ = 51521114542.

The previous prime is 51521114483. The next prime is 51521114587. The reversal of 51521114543 is 34541112515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51521114543 - 2¹⁰ = 51521113519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51521174543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25760557271 + 25760557272.

It is an arithmetic number, because the mean of its divisors is an integer number (25760557272).

Almost surely, 2^51521114543 is an apocalyptic number.

51521114543 is a deficient number, since it is larger than the sum of its proper divisors (1).

51521114543 is an equidigital number, since it uses as much as digits as its factorization.

51521114543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12000, while the sum is 32.

The spelling of 51521114543 in words is "fifty-one billion, five hundred twenty-one million, one hundred fourteen thousand, five hundred forty-three".