126566770250 has 32 divisors (see below), whose sum is σ = 236974684752. Its totient is φ = 50617800000.

The previous prime is 126566770247. The next prime is 126566770273. The reversal of 126566770250 is 52077665621.

It can be written as a sum of positive squares in 8 ways, for example, as 3040529881 + 123526240369 = 55141^2 + 351463^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 126566770195 and 126566770204.

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, 1483760 + ... + 1566740.

Almost surely, 2^126566770250 is an apocalyptic number.

126566770250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126566770250 is a deficient number, since it is larger than the sum of its proper divisors (110407914502).

126566770250 is an equidigital number, since it uses as much as digits as its factorization.

126566770250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89099 (or 89089 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 126566770250 in words is "one hundred twenty-six billion, five hundred sixty-six million, seven hundred seventy thousand, two hundred fifty".