11259214215522 has 256 divisors, whose sum is σ = 29169714782208. Its totient is φ = 2818418042880.

The previous prime is 11259214215521. The next prime is 11259214215523. The reversal of 11259214215522 is 22551241295211.

It is an interprime number because it is at equal distance from previous prime (11259214215521) and next prime (11259214215523).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (11259214215521) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 139373622 + ... + 139454382.

It is an arithmetic number, because the mean of its divisors is an integer number (113944198368).

Almost surely, 2^{11259214215522} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11259214215522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14584857391104).

11259214215522 is an abundant number, since it is smaller than the sum of its proper divisors (17910500566686).

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

11259214215522 is a wasteful number, since it uses less digits than its factorization.

11259214215522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80993.

The product of its digits is 144000, while the sum is 42.

The spelling of 11259214215522 in words is "eleven trillion, two hundred fifty-nine billion, two hundred fourteen million, two hundred fifteen thousand, five hundred twenty-two".