11318101873 has 12 divisors (see below), whose sum is σ = 12368153820. Its totient is φ = 10351613376.

The previous prime is 11318101813. The next prime is 11318101877. The reversal of 11318101873 is 37810181311.

It can be written as a sum of positive squares in 6 ways, for example, as 3101041969 + 8217059904 = 55687^2 + 90648^2 .

It is not a de Polignac number, because 11318101873 - 2¹³ = 11318093681 is a prime.

It is a super-2 number, since 2×11318101873² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11318101877) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 288786 + ... + 325627.

It is an arithmetic number, because the mean of its divisors is an integer number (1030679485).

Almost surely, 2^11318101873 is an apocalyptic number.

11318101873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11318101873 is a deficient number, since it is larger than the sum of its proper divisors (1050051947).

11318101873 is a wasteful number, since it uses less digits than its factorization.

11318101873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614548 (or 614535 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 34.

The spelling of 11318101873 in words is "eleven billion, three hundred eighteen million, one hundred one thousand, eight hundred seventy-three".