11514431617541 has 4 divisors (see below), whose sum is σ = 11628435891084. Its totient is φ = 11400427344000.

The previous prime is 11514431617537. The next prime is 11514431617561. The reversal of 11514431617541 is 14571613441511.

11514431617541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7227548328100 + 4286883289441 = 2688410^2 + 2070479^2 .

It is a cyclic number.

It is not a de Polignac number, because 11514431617541 - 2² = 11514431617537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11514431617492 and 11514431617501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11514431617561) 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, 57002136620 + ... + 57002136821.

It is an arithmetic number, because the mean of its divisors is an integer number (2907108972771).

Almost surely, 2^{11514431617541} is an apocalyptic number.

It is an amenable number.

11514431617541 is a deficient number, since it is larger than the sum of its proper divisors (114004273543).

11514431617541 is a wasteful number, since it uses less digits than its factorization.

11514431617541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114004273542.

The product of its digits is 201600, while the sum is 44.

The spelling of 11514431617541 in words is "eleven trillion, five hundred fourteen billion, four hundred thirty-one million, six hundred seventeen thousand, five hundred forty-one".