125251262464651 has 8 divisors (see below), whose sum is σ = 127016234471808. Its totient is φ = 123496581840000.

The previous prime is 125251262464619. The next prime is 125251262464697. The reversal of 125251262464651 is 156464262152521.

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 125251262464651 - 2⁵ = 125251262464619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125251262464451) 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, 2572821115 + ... + 2572869796.

It is an arithmetic number, because the mean of its divisors is an integer number (15877029308976).

Almost surely, 2^{125251262464651} is an apocalyptic number.

125251262464651 is a deficient number, since it is larger than the sum of its proper divisors (1764972007157).

125251262464651 is a wasteful number, since it uses less digits than its factorization.

125251262464651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5145691253.

The product of its digits is 6912000, while the sum is 52.

The spelling of 125251262464651 in words is "one hundred twenty-five trillion, two hundred fifty-one billion, two hundred sixty-two million, four hundred sixty-four thousand, six hundred fifty-one".