11520011400201 has 6 divisors (see below), whose sum is σ = 16640016466970. Its totient is φ = 7680007600128.

The previous prime is 11520011400167. The next prime is 11520011400211. The reversal of 11520011400201 is 10200411002511.

11520011400201 is a `hidden beast` number, since 1 + 1 + 52 + 0 + 0 + 11 + 400 + 201 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9807695212176 + 1712316188025 = 3131724^2 + 1308555^2 .

It is not a de Polignac number, because 11520011400201 - 2²⁹ = 11519474529289 is a prime.

It is a super-2 number, since 2×11520011400201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11520011400211) 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 5 ways as a sum of consecutive naturals, for example, 640000633336 + ... + 640000633353.

Almost surely, 2^{11520011400201} is an apocalyptic number.

It is an amenable number.

11520011400201 is a deficient number, since it is larger than the sum of its proper divisors (5120005066769).

11520011400201 is a wasteful number, since it uses less digits than its factorization.

11520011400201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280001266695 (or 1280001266692 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

Adding to 11520011400201 its reverse (10200411002511), we get a palindrome (21720422402712).

The spelling of 11520011400201 in words is "eleven trillion, five hundred twenty billion, eleven million, four hundred thousand, two hundred one".