11005252144 has 40 divisors (see below), whose sum is σ = 22043276640. Its totient is φ = 5319129600.

The previous prime is 11005252099. The next prime is 11005252157. The reversal of 11005252144 is 44125250011.

It is a super-2 number, since 2×11005252144² (a number of 21 digits) contains 22 as substring.

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, 5452 + ... + 148459.

It is an arithmetic number, because the mean of its divisors is an integer number (551081916).

Almost surely, 2^11005252144 is an apocalyptic number.

It is an amenable number.

11005252144 is an abundant number, since it is smaller than the sum of its proper divisors (11038024496).

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

11005252144 is a wasteful number, since it uses less digits than its factorization.

11005252144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154069 (or 154063 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The spelling of 11005252144 in words is "eleven billion, five million, two hundred fifty-two thousand, one hundred forty-four".