125554101103 has 16 divisors (see below), whose sum is σ = 138735861696. Its totient is φ = 113017569280.

The previous prime is 125554101097. The next prime is 125554101151. The reversal of 125554101103 is 301101455521.

It is a de Polignac number, because none of the positive numbers 2^k-125554101103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125554101163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5118075 + ... + 5142547.

It is an arithmetic number, because the mean of its divisors is an integer number (8670991356).

Almost surely, 2^125554101103 is an apocalyptic number.

125554101103 is a deficient number, since it is larger than the sum of its proper divisors (13181760593).

125554101103 is a wasteful number, since it uses less digits than its factorization.

125554101103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37634.

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 125554101103 its reverse (301101455521), we get a palindrome (426655556624).

The spelling of 125554101103 in words is "one hundred twenty-five billion, five hundred fifty-four million, one hundred one thousand, one hundred three".