51612356153441 has 2 divisors, whose sum is σ = 51612356153442. Its totient is φ = 51612356153440.

The previous prime is 51612356153341. The next prime is 51612356153509. The reversal of 51612356153441 is 14435165321615.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44040530780416 + 7571825373025 = 6636304^2 + 2751695^2 .

It is a cyclic number.

It is not a de Polignac number, because 51612356153441 - 2³⁸ = 51337478246497 is a prime.

It is a super-2 number, since 2×51612356153441² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51612356153341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25806178076720 + 25806178076721.

It is an arithmetic number, because the mean of its divisors is an integer number (25806178076721).

Almost surely, 2^{51612356153441} is an apocalyptic number.

It is an amenable number.

51612356153441 is a deficient number, since it is larger than the sum of its proper divisors (1).

51612356153441 is an equidigital number, since it uses as much as digits as its factorization.

51612356153441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296000, while the sum is 47.

The spelling of 51612356153441 in words is "fifty-one trillion, six hundred twelve billion, three hundred fifty-six million, one hundred fifty-three thousand, four hundred forty-one".