126405363355 has 16 divisors (see below), whose sum is σ = 153537431040. Its totient is φ = 99890666848.

The previous prime is 126405363277. The next prime is 126405363373. The reversal of 126405363355 is 553363504621.

It is a cyclic number.

It is not a de Polignac number, because 126405363355 - 2³⁵ = 92045624987 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3252126 + ... + 3290764.

It is an arithmetic number, because the mean of its divisors is an integer number (9596089440).

Almost surely, 2^126405363355 is an apocalyptic number.

126405363355 is a deficient number, since it is larger than the sum of its proper divisors (27132067685).

126405363355 is an equidigital number, since it uses as much as digits as its factorization.

126405363355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46610.

The product of its (nonzero) digits is 972000, while the sum is 43.

Adding to 126405363355 its reverse (553363504621), we get a palindrome (679768867976).

The spelling of 126405363355 in words is "one hundred twenty-six billion, four hundred five million, three hundred sixty-three thousand, three hundred fifty-five".