10551944118 has 64 divisors (see below), whose sum is σ = 22012300800. Its totient is φ = 3368064000.

The previous prime is 10551944099. The next prime is 10551944119. The reversal of 10551944118 is 81144915501.

It is a super-2 number, since 2×10551944118² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10551944119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15678630 + ... + 15679302.

It is an arithmetic number, because the mean of its divisors is an integer number (343942200).

Almost surely, 2^10551944118 is an apocalyptic number.

10551944118 is an abundant number, since it is smaller than the sum of its proper divisors (11460356682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10551944118 is a wasteful number, since it uses less digits than its factorization.

10551944118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317.

The product of its (nonzero) digits is 28800, while the sum is 39.

The spelling of 10551944118 in words is "ten billion, five hundred fifty-one million, nine hundred forty-four thousand, one hundred eighteen".