11587798654 has 4 divisors (see below), whose sum is σ = 17381697984. Its totient is φ = 5793899326.

The previous prime is 11587798633. The next prime is 11587798657. The reversal of 11587798654 is 45689778511.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 11587798592 and 11587798601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11587798657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2896949662 + ... + 2896949665.

It is an arithmetic number, because the mean of its divisors is an integer number (4345424496).

Almost surely, 2^11587798654 is an apocalyptic number.

11587798654 is a deficient number, since it is larger than the sum of its proper divisors (5793899330).

11587798654 is an equidigital number, since it uses as much as digits as its factorization.

11587798654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5793899329.

The product of its digits is 16934400, while the sum is 61.

The spelling of 11587798654 in words is "eleven billion, five hundred eighty-seven million, seven hundred ninety-eight thousand, six hundred fifty-four".