126338328555 has 32 divisors (see below), whose sum is σ = 204987511296. Its totient is φ = 66432409344.

The previous prime is 126338328551. The next prime is 126338328559. The reversal of 126338328555 is 555823833621.

It is an interprime number because it is at equal distance from previous prime (126338328551) and next prime (126338328559).

It is not a de Polignac number, because 126338328555 - 2² = 126338328551 is a prime.

It is a super-2 number, since 2×126338328555² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126338328498 and 126338328507.

It is not an unprimeable number, because it can be changed into a prime (126338328551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3092794 + ... + 3133376.

It is an arithmetic number, because the mean of its divisors is an integer number (6405859728).

Almost surely, 2^126338328555 is an apocalyptic number.

126338328555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126338328555 is a deficient number, since it is larger than the sum of its proper divisors (78649182741).

126338328555 is a wasteful number, since it uses less digits than its factorization.

126338328555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43507.

The product of its digits is 5184000, while the sum is 51.

The spelling of 126338328555 in words is "one hundred twenty-six billion, three hundred thirty-eight million, three hundred twenty-eight thousand, five hundred fifty-five".