11521012100311 has 8 divisors (see below), whose sum is σ = 13168169688960. Its totient is φ = 9874179190968.

The previous prime is 11521012100291. The next prime is 11521012100327. The reversal of 11521012100311 is 11300121012511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11521012100311 - 2¹¹ = 11521012098263 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 (11521012100011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81093781 + ... + 81235726.

It is an arithmetic number, because the mean of its divisors is an integer number (1646021211120).

Almost surely, 2^{11521012100311} is an apocalyptic number.

11521012100311 is a deficient number, since it is larger than the sum of its proper divisors (1647157588649).

11521012100311 is a wasteful number, since it uses less digits than its factorization.

11521012100311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162339653.

The product of its (nonzero) digits is 60, while the sum is 19.

Adding to 11521012100311 its reverse (11300121012511), we get a palindrome (22821133112822).

The spelling of 11521012100311 in words is "eleven trillion, five hundred twenty-one billion, twelve million, one hundred thousand, three hundred eleven".