125255543699 has 16 divisors (see below), whose sum is σ = 147198207744. Its totient is φ = 105077517600.

The previous prime is 125255543687. The next prime is 125255543723. The reversal of 125255543699 is 996345552521.

It is not a de Polignac number, because 125255543699 - 2⁴ = 125255543683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125255543299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343394 + ... + 606984.

It is an arithmetic number, because the mean of its divisors is an integer number (9199887984).

Almost surely, 2^125255543699 is an apocalyptic number.

125255543699 is a deficient number, since it is larger than the sum of its proper divisors (21942664045).

125255543699 is a wasteful number, since it uses less digits than its factorization.

125255543699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266938.

The product of its digits is 14580000, while the sum is 56.

The spelling of 125255543699 in words is "one hundred twenty-five billion, two hundred fifty-five million, five hundred forty-three thousand, six hundred ninety-nine".