125466521603 has 8 divisors (see below), whose sum is σ = 134235106320. Its totient is φ = 116914445280.

The previous prime is 125466521599. The next prime is 125466521639. The reversal of 125466521603 is 306125664521.

It is a happy number.

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 125466521603 - 2² = 125466521599 is a prime.

It is a super-3 number, since 3×125466521603³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125466527603) 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, 54125900 + ... + 54128217.

It is an arithmetic number, because the mean of its divisors is an integer number (16779388290).

Almost surely, 2^125466521603 is an apocalyptic number.

125466521603 is a deficient number, since it is larger than the sum of its proper divisors (8768584717).

125466521603 is a wasteful number, since it uses less digits than its factorization.

125466521603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108254197.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 125466521603 in words is "one hundred twenty-five billion, four hundred sixty-six million, five hundred twenty-one thousand, six hundred three".