11115210465220 has 48 divisors (see below), whose sum is σ = 23692705662528. Its totient is φ = 4379285370240.

The previous prime is 11115210465179. The next prime is 11115210465241. The reversal of 11115210465220 is 2256401251111.

It is a super-2 number, since 2×11115210465220² (a number of 27 digits) contains 22 as substring.

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, 13110934 + ... + 13932946.

It is an arithmetic number, because the mean of its divisors is an integer number (493598034636).

Almost surely, 2^{11115210465220} is an apocalyptic number.

11115210465220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11115210465220 is an abundant number, since it is smaller than the sum of its proper divisors (12577495197308).

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

11115210465220 is a wasteful number, since it uses less digits than its factorization.

11115210465220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832180 (or 832178 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 31.

The spelling of 11115210465220 in words is "eleven trillion, one hundred fifteen billion, two hundred ten million, four hundred sixty-five thousand, two hundred twenty".