11252123145 has 48 divisors (see below), whose sum is σ = 19675656000. Its totient is φ = 5948392320.

The previous prime is 11252123119. The next prime is 11252123147. The reversal of 11252123145 is 54132125211.

It is a happy number.

11252123145 is a `hidden beast` number, since 112 + 521 + 23 + 1 + 4 + 5 = 666.

11252123145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11252123145 - 2⁷ = 11252123017 is a prime.

It is a super-2 number, since 2×11252123145² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11252123147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3827086 + ... + 3830024.

It is an arithmetic number, because the mean of its divisors is an integer number (409909500).

Almost surely, 2^11252123145 is an apocalyptic number.

11252123145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11252123145 is a deficient number, since it is larger than the sum of its proper divisors (8423532855).

11252123145 is a wasteful number, since it uses less digits than its factorization.

11252123145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3670 (or 3667 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

Adding to 11252123145 its reverse (54132125211), we get a palindrome (65384248356).

The spelling of 11252123145 in words is "eleven billion, two hundred fifty-two million, one hundred twenty-three thousand, one hundred forty-five".