125334533521 has 8 divisors (see below), whose sum is σ = 127131155424. Its totient is φ = 123548208000.

The previous prime is 125334533491. The next prime is 125334533551. The reversal of 125334533521 is 125335433521.

It is an interprime number because it is at equal distance from previous prime (125334533491) and next prime (125334533551).

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 125334533521 - 2⁷ = 125334533393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125334533551) 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, 2549575 + ... + 2598268.

It is an arithmetic number, because the mean of its divisors is an integer number (15891394428).

Almost surely, 2^125334533521 is an apocalyptic number.

It is an amenable number.

125334533521 is a deficient number, since it is larger than the sum of its proper divisors (1796621903).

125334533521 is an equidigital number, since it uses as much as digits as its factorization.

125334533521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5148191.

The product of its digits is 162000, while the sum is 37.

The spelling of 125334533521 in words is "one hundred twenty-five billion, three hundred thirty-four million, five hundred thirty-three thousand, five hundred twenty-one".