11450120124 has 24 divisors (see below), whose sum is σ = 26778947328. Its totient is φ = 3807849520.

The previous prime is 11450120113. The next prime is 11450120131. The reversal of 11450120124 is 42102105411.

It is a super-2 number, since 2×11450120124² (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 11450120124.

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, 1101762 + ... + 1112105.

It is an arithmetic number, because the mean of its divisors is an integer number (1115789472).

Almost surely, 2^11450120124 is an apocalyptic number.

It is an amenable number.

11450120124 is an abundant number, since it is smaller than the sum of its proper divisors (15328827204).

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

11450120124 is a wasteful number, since it uses less digits than its factorization.

11450120124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214305 (or 2214303 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 11450120124 its reverse (42102105411), we get a palindrome (53552225535).

The spelling of 11450120124 in words is "eleven billion, four hundred fifty million, one hundred twenty thousand, one hundred twenty-four".