102551411474489 has 2 divisors, whose sum is σ = 102551411474490. Its totient is φ = 102551411474488.

The previous prime is 102551411474383. The next prime is 102551411474507. The reversal of 102551411474489 is 984474114155201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77875683078400 + 24675728396089 = 8824720^2 + 4967467^2 .

It is a cyclic number.

It is not a de Polignac number, because 102551411474489 - 2²⁴ = 102551394697273 is a prime.

It is a super-2 number, since 2×102551411474489² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102551411674489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51275705737244 + 51275705737245.

It is an arithmetic number, because the mean of its divisors is an integer number (51275705737245).

Almost surely, 2^{102551411474489} is an apocalyptic number.

It is an amenable number.

102551411474489 is a deficient number, since it is larger than the sum of its proper divisors (1).

102551411474489 is an equidigital number, since it uses as much as digits as its factorization.

102551411474489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6451200, while the sum is 56.

The spelling of 102551411474489 in words is "one hundred two trillion, five hundred fifty-one billion, four hundred eleven million, four hundred seventy-four thousand, four hundred eighty-nine".