125318901377 has 16 divisors (see below), whose sum is σ = 133423718400. Its totient is φ = 117296137728.

The previous prime is 125318901311. The next prime is 125318901413. The reversal of 125318901377 is 773109813521.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 125318901377 - 2¹⁰ = 125318900353 is a prime.

It is a super-2 number, since 2×125318901377² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125318901277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7762688 + ... + 7778814.

It is an arithmetic number, because the mean of its divisors is an integer number (8338982400).

Almost surely, 2^125318901377 is an apocalyptic number.

125318901377 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

125318901377 is a deficient number, since it is larger than the sum of its proper divisors (8104817023).

125318901377 is a wasteful number, since it uses less digits than its factorization.

125318901377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18640.

The product of its (nonzero) digits is 317520, while the sum is 47.

The spelling of 125318901377 in words is "one hundred twenty-five billion, three hundred eighteen million, nine hundred one thousand, three hundred seventy-seven".