11500020012124 has 24 divisors (see below), whose sum is σ = 23006693396960. Its totient is φ = 4927154282496.

The previous prime is 11500020012121. The next prime is 11500020012127. The reversal of 11500020012124 is 42121002000511.

It is an interprime number because it is at equal distance from previous prime (11500020012121) and next prime (11500020012127).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11500020012121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59306589 + ... + 59500180.

Almost surely, 2^{11500020012124} is an apocalyptic number.

11500020012124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11500020012124 is an abundant number, since it is smaller than the sum of its proper divisors (11506673384836).

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

11500020012124 is a wasteful number, since it uses less digits than its factorization.

11500020012124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118810237 (or 118810235 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 11500020012124 its reverse (42121002000511), we get a palindrome (53621022012635).

The spelling of 11500020012124 in words is "eleven trillion, five hundred billion, twenty million, twelve thousand, one hundred twenty-four".