126255220471 has 2 divisors, whose sum is σ = 126255220472. Its totient is φ = 126255220470.

The previous prime is 126255220459. The next prime is 126255220547. The reversal of 126255220471 is 174022552621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126255220471 - 2²¹ = 126253123319 is a prime.

It is a super-3 number, since 3×126255220471³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126255220471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126255220451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63127610235 + 63127610236.

It is an arithmetic number, because the mean of its divisors is an integer number (63127610236).

Almost surely, 2^126255220471 is an apocalyptic number.

126255220471 is a deficient number, since it is larger than the sum of its proper divisors (1).

126255220471 is an equidigital number, since it uses as much as digits as its factorization.

126255220471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 126255220471 in words is "one hundred twenty-six billion, two hundred fifty-five million, two hundred twenty thousand, four hundred seventy-one".