125201777776 has 10 divisors (see below), whose sum is σ = 242578444472. Its totient is φ = 62600888880.

The previous prime is 125201777773. The next prime is 125201777783. The reversal of 125201777776 is 677777102521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125201777773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3912555540 + ... + 3912555571.

Almost surely, 2^125201777776 is an apocalyptic number.

125201777776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

125201777776 is a deficient number, since it is larger than the sum of its proper divisors (117376666696).

125201777776 is an equidigital number, since it uses as much as digits as its factorization.

125201777776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7825111119 (or 7825111113 counting only the distinct ones).

The product of its (nonzero) digits is 2016840, while the sum is 52.

The spelling of 125201777776 in words is "one hundred twenty-five billion, two hundred one million, seven hundred seventy-seven thousand, seven hundred seventy-six".