11500150056061 has 4 divisors (see below), whose sum is σ = 11500259982012. Its totient is φ = 11500040130112.

The previous prime is 11500150056047. The next prime is 11500150056067. The reversal of 11500150056061 is 16065005100511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2295509828836 + 9204640227225 = 1515094^2 + 3033915^2 .

It is a cyclic number.

It is not a de Polignac number, because 11500150056061 - 2²³ = 11500141667453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11500150056067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54805900 + ... + 55015333.

It is an arithmetic number, because the mean of its divisors is an integer number (2875064995503).

Almost surely, 2^{11500150056061} is an apocalyptic number.

It is an amenable number.

11500150056061 is a deficient number, since it is larger than the sum of its proper divisors (109925951).

11500150056061 is a wasteful number, since it uses less digits than its factorization.

11500150056061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109925950.

The product of its (nonzero) digits is 4500, while the sum is 31.

Adding to 11500150056061 its reverse (16065005100511), we get a palindrome (27565155156572).

The spelling of 11500150056061 in words is "eleven trillion, five hundred billion, one hundred fifty million, fifty-six thousand, sixty-one".