126403146555 has 32 divisors (see below), whose sum is σ = 233257728000. Its totient is φ = 57254159232.

The previous prime is 126403146533. The next prime is 126403146557. The reversal of 126403146555 is 555641304621.

It is not a de Polignac number, because 126403146555 - 2¹³ = 126403138363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126403146557) 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, 5510755 + ... + 5533644.

It is an arithmetic number, because the mean of its divisors is an integer number (7289304000).

Almost surely, 2^126403146555 is an apocalyptic number.

126403146555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126403146555 is a deficient number, since it is larger than the sum of its proper divisors (106854581445).

126403146555 is a wasteful number, since it uses less digits than its factorization.

126403146555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11044523.

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 126403146555 in words is "one hundred twenty-six billion, four hundred three million, one hundred forty-six thousand, five hundred fifty-five".