126291348551 has 2 divisors, whose sum is σ = 126291348552. Its totient is φ = 126291348550.

The previous prime is 126291348503. The next prime is 126291348571. The reversal of 126291348551 is 155843192621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126291348551 - 2¹⁰ = 126291347527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126291348496 and 126291348505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126291348571) 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 as a sum of consecutive naturals, namely, 63145674275 + 63145674276.

It is an arithmetic number, because the mean of its divisors is an integer number (63145674276).

Almost surely, 2^126291348551 is an apocalyptic number.

126291348551 is a deficient number, since it is larger than the sum of its proper divisors (1).

126291348551 is an equidigital number, since it uses as much as digits as its factorization.

126291348551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 47.

The spelling of 126291348551 in words is "one hundred twenty-six billion, two hundred ninety-one million, three hundred forty-eight thousand, five hundred fifty-one".