125454511453 has 8 divisors (see below), whose sum is σ = 128532854520. Its totient is φ = 122377048320.

The previous prime is 125454511451. The next prime is 125454511459. The reversal of 125454511453 is 354115454521.

It can be written as a sum of positive squares in 4 ways, for example, as 278656249 + 125175855204 = 16693^2 + 353802^2 .

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 125454511453 - 2¹ = 125454511451 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 (125454511451) 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, 73401 + ... + 506257.

It is an arithmetic number, because the mean of its divisors is an integer number (16066606815).

Almost surely, 2^125454511453 is an apocalyptic number.

It is an amenable number.

125454511453 is a deficient number, since it is larger than the sum of its proper divisors (3078343067).

125454511453 is an equidigital number, since it uses as much as digits as its factorization.

125454511453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439967.

The product of its digits is 240000, while the sum is 40.

Adding to 125454511453 its reverse (354115454521), we get a palindrome (479569965974).

The spelling of 125454511453 in words is "one hundred twenty-five billion, four hundred fifty-four million, five hundred eleven thousand, four hundred fifty-three".