11013401315511 has 24 divisors (see below), whose sum is σ = 18971324835840. Its totient is φ = 6019747302096.

The previous prime is 11013401315473. The next prime is 11013401315531. The reversal of 11013401315511 is 11551310431011.

It is a happy number.

11013401315511 is a `hidden beast` number, since 1 + 1 + 0 + 1 + 340 + 1 + 315 + 5 + 1 + 1 = 666.

It is not a de Polignac number, because 11013401315511 - 2⁴¹ = 8814378059959 is a prime.

It is a super-3 number, since 3×11013401315511³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013401315531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3800344071 + ... + 3800346968.

It is an arithmetic number, because the mean of its divisors is an integer number (790471868160).

Almost surely, 2^{11013401315511} is an apocalyptic number.

11013401315511 is a deficient number, since it is larger than the sum of its proper divisors (7957923520329).

11013401315511 is a wasteful number, since it uses less digits than its factorization.

11013401315511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7600691075 (or 7600691072 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

Adding to 11013401315511 its reverse (11551310431011), we get a palindrome (22564711746522).

The spelling of 11013401315511 in words is "eleven trillion, thirteen billion, four hundred one million, three hundred fifteen thousand, five hundred eleven".