125315584453 has 4 divisors (see below), whose sum is σ = 125324818528. Its totient is φ = 125306350380.

The previous prime is 125315584451. The next prime is 125315584489. The reversal of 125315584453 is 354485513521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 354485513521 = 79 ⋅4487158399.

It is a cyclic number.

It is not a de Polignac number, because 125315584453 - 2¹ = 125315584451 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 (125315584451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4596651 + ... + 4623832.

It is an arithmetic number, because the mean of its divisors is an integer number (31331204632).

Almost surely, 2^125315584453 is an apocalyptic number.

It is an amenable number.

125315584453 is a deficient number, since it is larger than the sum of its proper divisors (9234075).

125315584453 is an equidigital number, since it uses as much as digits as its factorization.

125315584453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9234074.

The product of its digits is 1440000, while the sum is 46.

The spelling of 125315584453 in words is "one hundred twenty-five billion, three hundred fifteen million, five hundred eighty-four thousand, four hundred fifty-three".