125535419059 has 4 divisors (see below), whose sum is σ = 126377938800. Its totient is φ = 124692899320.

The previous prime is 125535419039. The next prime is 125535419063. The reversal of 125535419059 is 950914535521.

It is a happy number.

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 125535419059 - 2¹³ = 125535410867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125535419039) 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, 421259647 + ... + 421259944.

It is an arithmetic number, because the mean of its divisors is an integer number (31594484700).

Almost surely, 2^125535419059 is an apocalyptic number.

125535419059 is a deficient number, since it is larger than the sum of its proper divisors (842519741).

125535419059 is an equidigital number, since it uses as much as digits as its factorization.

125535419059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842519740.

The product of its (nonzero) digits is 1215000, while the sum is 49.

The spelling of 125535419059 in words is "one hundred twenty-five billion, five hundred thirty-five million, four hundred nineteen thousand, fifty-nine".