1101944518351 has 4 divisors (see below), whose sum is σ = 1101968225512. Its totient is φ = 1101920811192.

The previous prime is 1101944518261. The next prime is 1101944518373. The reversal of 1101944518351 is 1538154491011.

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 1101944518351 - 2¹⁷ = 1101944387279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101944518298 and 1101944518307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101944518151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11783721 + ... + 11876866.

It is an arithmetic number, because the mean of its divisors is an integer number (275492056378).

Almost surely, 2^{1101944518351} is an apocalyptic number.

1101944518351 is a deficient number, since it is larger than the sum of its proper divisors (23707161).

1101944518351 is an equidigital number, since it uses as much as digits as its factorization.

1101944518351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23707160.

The product of its (nonzero) digits is 86400, while the sum is 43.

The spelling of 1101944518351 in words is "one trillion, one hundred one billion, nine hundred forty-four million, five hundred eighteen thousand, three hundred fifty-one".