125410404014521 has 4 divisors (see below), whose sum is σ = 126582463865232. Its totient is φ = 124238344163812.

The previous prime is 125410404014473. The next prime is 125410404014593.

125410404014521 is nontrivially palindromic in base 10.

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 not a de Polignac number, because 125410404014521 - 2²³ = 125410395625913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125410404014221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586029925195 + ... + 586029925408.

It is an arithmetic number, because the mean of its divisors is an integer number (31645615966308).

Almost surely, 2^{125410404014521} is an apocalyptic number.

It is an amenable number.

125410404014521 is a deficient number, since it is larger than the sum of its proper divisors (1172059850711).

125410404014521 is a wasteful number, since it uses less digits than its factorization.

125410404014521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172059850710.

The product of its (nonzero) digits is 25600, while the sum is 34.

It can be divided in two parts, 12541040 and 4014521, that added together give a palindrome (16555561).

The spelling of 125410404014521 in words is "one hundred twenty-five trillion, four hundred ten billion, four hundred four million, fourteen thousand, five hundred twenty-one".