11853506386 has 4 divisors (see below), whose sum is σ = 17780259582. Its totient is φ = 5926753192.

The previous prime is 11853506359. The next prime is 11853506387. The reversal of 11853506386 is 68360535811.

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

It can be written as a sum of positive squares in only one way, i.e., 9794071225 + 2059435161 = 98965^2 + 45381^2 .

It is a super-2 number, since 2×11853506386² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11853506387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2963376595 + ... + 2963376598.

Almost surely, 2^11853506386 is an apocalyptic number.

11853506386 is a deficient number, since it is larger than the sum of its proper divisors (5926753196).

11853506386 is an equidigital number, since it uses as much as digits as its factorization.

11853506386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5926753195.

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 11853506386 in words is "eleven billion, eight hundred fifty-three million, five hundred six thousand, three hundred eighty-six".