11145252052 has 24 divisors (see below), whose sum is σ = 21281464512. Its totient is φ = 5065032000.

The previous prime is 11145252023. The next prime is 11145252061. The reversal of 11145252052 is 25025254111.

It is a super-2 number, since 2×11145252052² (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 11145252052.

It is a congruent number.

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, 232552 + ... + 276352.

It is an arithmetic number, because the mean of its divisors is an integer number (886727688).

Almost surely, 2^11145252052 is an apocalyptic number.

It is an amenable number.

11145252052 is a deficient number, since it is larger than the sum of its proper divisors (10136212460).

11145252052 is a wasteful number, since it uses less digits than its factorization.

11145252052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49599 (or 49597 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

The spelling of 11145252052 in words is "eleven billion, one hundred forty-five million, two hundred fifty-two thousand, fifty-two".