11225164520 has 32 divisors (see below), whose sum is σ = 25411583520. Its totient is φ = 4462516800.

The previous prime is 11225164519. The next prime is 11225164537. The reversal of 11225164520 is 2546152211.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 854306 + ... + 867345.

It is an arithmetic number, because the mean of its divisors is an integer number (794111985).

Almost surely, 2^11225164520 is an apocalyptic number.

11225164520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11225164520 is an abundant number, since it is smaller than the sum of its proper divisors (14186419000).

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

11225164520 is a wasteful number, since it uses less digits than its factorization.

11225164520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721825 (or 1721821 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The spelling of 11225164520 in words is "eleven billion, two hundred twenty-five million, one hundred sixty-four thousand, five hundred twenty".