11612253444 has 96 divisors (see below), whose sum is σ = 31674779136. Its totient is φ = 3271918080.

The previous prime is 11612253439. The next prime is 11612253449. The reversal of 11612253444 is 44435221611.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11612253439) and next prime (11612253449).

It is a super-2 number, since 2×11612253444² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (11612253449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155079 + ... + 217425.

It is an arithmetic number, because the mean of its divisors is an integer number (329945616).

Almost surely, 2^11612253444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11612253444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15837389568).

11612253444 is an abundant number, since it is smaller than the sum of its proper divisors (20062525692).

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

11612253444 is a wasteful number, since it uses less digits than its factorization.

11612253444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62465 (or 62463 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The spelling of 11612253444 in words is "eleven billion, six hundred twelve million, two hundred fifty-three thousand, four hundred forty-four".