125485440537599 has 4 divisors (see below), whose sum is σ = 125485487822064. Its totient is φ = 125485393253136.

The previous prime is 125485440537577. The next prime is 125485440537641. The reversal of 125485440537599 is 995735044584521.

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 125485440537599 - 2³² = 125481145570303 is a prime.

It is a super-2 number, since 2×125485440537599² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125485440557599) 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, 19408787 + ... + 25053380.

It is an arithmetic number, because the mean of its divisors is an integer number (31371371955516).

Almost surely, 2^{125485440537599} is an apocalyptic number.

125485440537599 is a deficient number, since it is larger than the sum of its proper divisors (47284465).

125485440537599 is an equidigital number, since it uses as much as digits as its factorization.

125485440537599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47284464.

The product of its (nonzero) digits is 1088640000, while the sum is 71.

The spelling of 125485440537599 in words is "one hundred twenty-five trillion, four hundred eighty-five billion, four hundred forty million, five hundred thirty-seven thousand, five hundred ninety-nine".