125545014413321 has 4 divisors (see below), whose sum is σ = 125548183261200. Its totient is φ = 125541845565444.

The previous prime is 125545014413311. The next prime is 125545014413339. The reversal of 125545014413321 is 123314410545521.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125545014413321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125545014413311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1584364511 + ... + 1584443748.

It is an arithmetic number, because the mean of its divisors is an integer number (31387045815300).

Almost surely, 2^{125545014413321} is an apocalyptic number.

It is an amenable number.

125545014413321 is a deficient number, since it is larger than the sum of its proper divisors (3168847879).

125545014413321 is an equidigital number, since it uses as much as digits as its factorization.

125545014413321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3168847878.

The product of its (nonzero) digits is 288000, while the sum is 41.

Adding to 125545014413321 its reverse (123314410545521), we get a palindrome (248859424958842).

The spelling of 125545014413321 in words is "one hundred twenty-five trillion, five hundred forty-five billion, fourteen million, four hundred thirteen thousand, three hundred twenty-one".