51414007217501 has 2 divisors, whose sum is σ = 51414007217502. Its totient is φ = 51414007217500.

The previous prime is 51414007217491. The next prime is 51414007217593. The reversal of 51414007217501 is 10571270041415.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47316155998276 + 4097851219225 = 6878674^2 + 2024315^2 .

It is a cyclic number.

It is not a de Polignac number, because 51414007217501 - 2¹⁰ = 51414007216477 is a prime.

It is a super-2 number, since 2×51414007217501² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51414007237501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25707003608750 + 25707003608751.

It is an arithmetic number, because the mean of its divisors is an integer number (25707003608751).

Almost surely, 2^{51414007217501} is an apocalyptic number.

It is an amenable number.

51414007217501 is a deficient number, since it is larger than the sum of its proper divisors (1).

51414007217501 is an equidigital number, since it uses as much as digits as its factorization.

51414007217501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39200, while the sum is 38.

Adding to 51414007217501 its reverse (10571270041415), we get a palindrome (61985277258916).

The spelling of 51414007217501 in words is "fifty-one trillion, four hundred fourteen billion, seven million, two hundred seventeen thousand, five hundred one".