125005126553 has 8 divisors (see below), whose sum is σ = 131594961120. Its totient is φ = 118416353760.

The previous prime is 125005126541. The next prime is 125005126559. The reversal of 125005126553 is 355621500521.

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 125005126553 - 2¹² = 125005122457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125005126559) 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, 17843 + ... + 500328.

It is an arithmetic number, because the mean of its divisors is an integer number (16449370140).

Almost surely, 2^125005126553 is an apocalyptic number.

It is an amenable number.

125005126553 is a deficient number, since it is larger than the sum of its proper divisors (6589834567).

125005126553 is a wasteful number, since it uses less digits than its factorization.

125005126553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530887.

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 125005126553 in words is "one hundred twenty-five billion, five million, one hundred twenty-six thousand, five hundred fifty-three".