11522206827 has 48 divisors (see below), whose sum is σ = 17523717120. Its totient is φ = 7564547232.

The previous prime is 11522206793. The next prime is 11522206831. The reversal of 11522206827 is 72860222511.

It is a happy number.

It is not a de Polignac number, because 11522206827 - 2⁸ = 11522206571 is a prime.

It is a super-2 number, since 2×11522206827² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11522206791 and 11522206800.

It is not an unprimeable number, because it can be changed into a prime (11522206877) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8006374 + ... + 8007812.

It is an arithmetic number, because the mean of its divisors is an integer number (365077440).

Almost surely, 2^11522206827 is an apocalyptic number.

11522206827 is a deficient number, since it is larger than the sum of its proper divisors (6001510293).

11522206827 is an equidigital number, since it uses as much as digits as its factorization.

11522206827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934 (or 1922 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 11522206827 in words is "eleven billion, five hundred twenty-two million, two hundred six thousand, eight hundred twenty-seven".