11145512152 has 8 divisors (see below), whose sum is σ = 20897835300. Its totient is φ = 5572756072.

The previous prime is 11145512143. The next prime is 11145512153. The reversal of 11145512152 is 25121554111.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×11145512152² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11145512152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11145512153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 696594502 + ... + 696594517.

Almost surely, 2^11145512152 is an apocalyptic number.

It is an amenable number.

11145512152 is a deficient number, since it is larger than the sum of its proper divisors (9752323148).

11145512152 is a wasteful number, since it uses less digits than its factorization.

11145512152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393189025 (or 1393189021 counting only the distinct ones).

The product of its digits is 2000, while the sum is 28.

The spelling of 11145512152 in words is "eleven billion, one hundred forty-five million, five hundred twelve thousand, one hundred fifty-two".