11285660247 has 8 divisors (see below), whose sum is σ = 15072339456. Its totient is φ = 7511377272.

The previous prime is 11285660237. The next prime is 11285660249. The reversal of 11285660247 is 74206658211.

It is a happy number.

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

It is not a de Polignac number, because 11285660247 - 2⁸ = 11285659991 is a prime.

It is a super-2 number, since 2×11285660247² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11285660199 and 11285660208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11285660249) 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, 3096933 + ... + 3100574.

It is an arithmetic number, because the mean of its divisors is an integer number (1884042432).

Almost surely, 2^11285660247 is an apocalyptic number.

11285660247 is a deficient number, since it is larger than the sum of its proper divisors (3786679209).

11285660247 is an equidigital number, since it uses as much as digits as its factorization.

11285660247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6198117.

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 11285660247 in words is "eleven billion, two hundred eighty-five million, six hundred sixty thousand, two hundred forty-seven".