1011141278173 has 16 divisors (see below), whose sum is σ = 1102639426560. Its totient is φ = 921631100544.

The previous prime is 1011141278167. The next prime is 1011141278239. The reversal of 1011141278173 is 3718721411101.

It is a cyclic number.

It is not a de Polignac number, because 1011141278173 - 2¹⁷ = 1011141147101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011141278143) 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, 271540 + ... + 1447762.

It is an arithmetic number, because the mean of its divisors is an integer number (68914964160).

Almost surely, 2^{1011141278173} is an apocalyptic number.

1011141278173 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1011141278173 is a deficient number, since it is larger than the sum of its proper divisors (91498148387).

1011141278173 is a wasteful number, since it uses less digits than its factorization.

1011141278173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177068.

The product of its (nonzero) digits is 9408, while the sum is 37.

Adding to 1011141278173 its reverse (3718721411101), we get a palindrome (4729862689274).

The spelling of 1011141278173 in words is "one trillion, eleven billion, one hundred forty-one million, two hundred seventy-eight thousand, one hundred seventy-three".