125266568516 has 24 divisors (see below), whose sum is σ = 224331285024. Its totient is φ = 61172133120.

The previous prime is 125266568513. The next prime is 125266568551. The reversal of 125266568516 is 615865662521.

It is a happy number.

It is a super-3 number, since 3×125266568516³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (125266568513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4127156 + ... + 4157396.

It is an arithmetic number, because the mean of its divisors is an integer number (9347136876).

Almost surely, 2^125266568516 is an apocalyptic number.

It is an amenable number.

125266568516 is a deficient number, since it is larger than the sum of its proper divisors (99064716508).

125266568516 is a wasteful number, since it uses less digits than its factorization.

125266568516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54371 (or 54369 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 53.

The spelling of 125266568516 in words is "one hundred twenty-five billion, two hundred sixty-six million, five hundred sixty-eight thousand, five hundred sixteen".