126355403507 has 2 divisors, whose sum is σ = 126355403508. Its totient is φ = 126355403506.

The previous prime is 126355403483. The next prime is 126355403539. The reversal of 126355403507 is 705304553621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126355403507 - 2¹² = 126355399411 is a prime.

It is not a weakly prime, because it can be changed into another prime (126355403597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63177701753 + 63177701754.

It is an arithmetic number, because the mean of its divisors is an integer number (63177701754).

Almost surely, 2^126355403507 is an apocalyptic number.

126355403507 is a deficient number, since it is larger than the sum of its proper divisors (1).

126355403507 is an equidigital number, since it uses as much as digits as its factorization.

126355403507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378000, while the sum is 41.

The spelling of 126355403507 in words is "one hundred twenty-six billion, three hundred fifty-five million, four hundred three thousand, five hundred seven".