126600371506 has 16 divisors (see below), whose sum is σ = 217037842560. Its totient is φ = 54255143520.

The previous prime is 126600371489. The next prime is 126600371533. The reversal of 126600371506 is 605173006621.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214390 + ... + 546958.

It is an arithmetic number, because the mean of its divisors is an integer number (13564865160).

Almost surely, 2^126600371506 is an apocalyptic number.

126600371506 is a deficient number, since it is larger than the sum of its proper divisors (90437471054).

126600371506 is a wasteful number, since it uses less digits than its factorization.

126600371506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359769.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 126600371506 in words is "one hundred twenty-six billion, six hundred million, three hundred seventy-one thousand, five hundred six".