11400961801 has 2 divisors, whose sum is σ = 11400961802. Its totient is φ = 11400961800.

The previous prime is 11400961757. The next prime is 11400961877. The reversal of 11400961801 is 10816900411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8491438201 + 2909523600 = 92149^2 + 53940^2 .

It is a cyclic number.

It is not a de Polignac number, because 11400961801 - 2⁹ = 11400961289 is a prime.

It is a super-2 number, since 2×11400961801² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11400961501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5700480900 + 5700480901.

It is an arithmetic number, because the mean of its divisors is an integer number (5700480901).

Almost surely, 2^11400961801 is an apocalyptic number.

It is an amenable number.

11400961801 is a deficient number, since it is larger than the sum of its proper divisors (1).

11400961801 is an equidigital number, since it uses as much as digits as its factorization.

11400961801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 31.

The spelling of 11400961801 in words is "eleven billion, four hundred million, nine hundred sixty-one thousand, eight hundred one".