125589925493 has 2 divisors, whose sum is σ = 125589925494. Its totient is φ = 125589925492.

The previous prime is 125589925481. The next prime is 125589925537. The reversal of 125589925493 is 394529985521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95272847569 + 30317077924 = 308663^2 + 174118^2 .

It is a cyclic number.

It is not a de Polignac number, because 125589925493 - 2¹⁰ = 125589924469 is a prime.

It is a super-5 number, since 5×125589925493⁵ (a number of 57 digits) contains 55555 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125589925423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62794962746 + 62794962747.

It is an arithmetic number, because the mean of its divisors is an integer number (62794962747).

Almost surely, 2^125589925493 is an apocalyptic number.

It is an amenable number.

125589925493 is a deficient number, since it is larger than the sum of its proper divisors (1).

125589925493 is an equidigital number, since it uses as much as digits as its factorization.

125589925493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992000, while the sum is 62.

The spelling of 125589925493 in words is "one hundred twenty-five billion, five hundred eighty-nine million, nine hundred twenty-five thousand, four hundred ninety-three".