11171022250512 has 80 divisors (see below), whose sum is σ = 29222631060480. Its totient is φ = 3676894478976.

The previous prime is 11171022250459. The next prime is 11171022250537. The reversal of 11171022250512 is 21505222017111.

It is a super-4 number, since 4×11171022250512⁴ (a number of 53 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11171022250512.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1540212 + ... + 4971347.

It is an arithmetic number, because the mean of its divisors is an integer number (365282888256).

Almost surely, 2^{11171022250512} is an apocalyptic number.

11171022250512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11171022250512 is an abundant number, since it is smaller than the sum of its proper divisors (18051608809968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11171022250512 is a wasteful number, since it uses less digits than its factorization.

11171022250512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6512020 (or 6512014 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 30.

Adding to 11171022250512 its reverse (21505222017111), we get a palindrome (32676244267623).

The spelling of 11171022250512 in words is "eleven trillion, one hundred seventy-one billion, twenty-two million, two hundred fifty thousand, five hundred twelve".