13551103945 has 16 divisors (see below), whose sum is σ = 16626935808. Its totient is φ = 10599272640.

The previous prime is 13551103939. The next prime is 13551103999. The reversal of 13551103945 is 54930115531.

It is a happy number.

It is not a de Polignac number, because 13551103945 - 2³¹ = 11403620297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82089 + ... + 183958.

It is an arithmetic number, because the mean of its divisors is an integer number (1039183488).

Almost surely, 2^13551103945 is an apocalyptic number.

It is an amenable number.

13551103945 is a deficient number, since it is larger than the sum of its proper divisors (3075831863).

13551103945 is a wasteful number, since it uses less digits than its factorization.

13551103945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266280.

The product of its (nonzero) digits is 40500, while the sum is 37.

The spelling of 13551103945 in words is "thirteen billion, five hundred fifty-one million, one hundred three thousand, nine hundred forty-five".