125465200451 has 4 divisors (see below), whose sum is σ = 125472461304. Its totient is φ = 125457939600.

The previous prime is 125465200423. The next prime is 125465200463. The reversal of 125465200451 is 154002564521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125465200451 - 2⁶ = 125465200387 is a prime.

It is a super-2 number, since 2×125465200451² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125405200451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3604445 + ... + 3639086.

It is an arithmetic number, because the mean of its divisors is an integer number (31368115326).

Almost surely, 2^125465200451 is an apocalyptic number.

125465200451 is a deficient number, since it is larger than the sum of its proper divisors (7260853).

125465200451 is an equidigital number, since it uses as much as digits as its factorization.

125465200451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7260852.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 125465200451 its reverse (154002564521), we get a palindrome (279467764972).

The spelling of 125465200451 in words is "one hundred twenty-five billion, four hundred sixty-five million, two hundred thousand, four hundred fifty-one".