125207623551 has 8 divisors (see below), whose sum is σ = 167421847600. Its totient is φ = 83232574272.

The previous prime is 125207623493. The next prime is 125207623589. The reversal of 125207623551 is 155326702521.

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

It is not a de Polignac number, because 125207623551 - 2⁹ = 125207623039 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 (125207623591) 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, 59792470 + ... + 59794563.

It is an arithmetic number, because the mean of its divisors is an integer number (20927730950).

Almost surely, 2^125207623551 is an apocalyptic number.

125207623551 is a deficient number, since it is larger than the sum of its proper divisors (42214224049).

125207623551 is a wasteful number, since it uses less digits than its factorization.

125207623551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119587385.

The product of its (nonzero) digits is 126000, while the sum is 39.

The spelling of 125207623551 in words is "one hundred twenty-five billion, two hundred seven million, six hundred twenty-three thousand, five hundred fifty-one".