125287712551 has 8 divisors (see below), whose sum is σ = 125375900544. Its totient is φ = 125199559800.

The previous prime is 125287712549. The next prime is 125287712593. The reversal of 125287712551 is 155217782521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125287712551 - 2¹ = 125287712549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125287712351) 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, 12337326 + ... + 12347476.

It is an arithmetic number, because the mean of its divisors is an integer number (15671987568).

Almost surely, 2^125287712551 is an apocalyptic number.

125287712551 is a deficient number, since it is larger than the sum of its proper divisors (88187993).

125287712551 is a wasteful number, since it uses less digits than its factorization.

125287712551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17621.

The product of its digits is 392000, while the sum is 46.

The spelling of 125287712551 in words is "one hundred twenty-five billion, two hundred eighty-seven million, seven hundred twelve thousand, five hundred fifty-one".