126432632355 has 16 divisors (see below), whose sum is σ = 204256216320. Its totient is φ = 66776069088.

The previous prime is 126432632321. The next prime is 126432632383. The reversal of 126432632355 is 553236234621.

It is not a de Polignac number, because 126432632355 - 2²² = 126428438051 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, 40915165 + ... + 40918254.

It is an arithmetic number, because the mean of its divisors is an integer number (12766013520).

Almost surely, 2^126432632355 is an apocalyptic number.

126432632355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126432632355 is a deficient number, since it is larger than the sum of its proper divisors (77823583965).

126432632355 is a wasteful number, since it uses less digits than its factorization.

126432632355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81833530.

The product of its digits is 777600, while the sum is 42.

Adding to 126432632355 its reverse (553236234621), we get a palindrome (679668866976).

The spelling of 126432632355 in words is "one hundred twenty-six billion, four hundred thirty-two million, six hundred thirty-two thousand, three hundred fifty-five".