11687054873 has 8 divisors (see below), whose sum is σ = 12633918528. Its totient is φ = 10747028304.

The previous prime is 11687054867. The next prime is 11687054893. The reversal of 11687054873 is 37845078611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11687054873 is a prime.

It is a super-2 number, since 2×11687054873² (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 (11687054803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1705715 + ... + 1712552.

It is an arithmetic number, because the mean of its divisors is an integer number (1579239816).

Almost surely, 2^11687054873 is an apocalyptic number.

11687054873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11687054873 is a deficient number, since it is larger than the sum of its proper divisors (946863655).

11687054873 is a wasteful number, since it uses less digits than its factorization.

11687054873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3418543.

The product of its (nonzero) digits is 1128960, while the sum is 50.

The spelling of 11687054873 in words is "eleven billion, six hundred eighty-seven million, fifty-four thousand, eight hundred seventy-three".