11005540401 has 8 divisors (see below), whose sum is σ = 14675325984. Its totient is φ = 7336390880.

The previous prime is 11005540387. The next prime is 11005540409. The reversal of 11005540401 is 10404550011.

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 11005540401 - 2¹⁵ = 11005507633 is a prime.

It is a super-2 number, since 2×11005540401² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11005540409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117060 + ... + 188981.

It is an arithmetic number, because the mean of its divisors is an integer number (1834415748).

Almost surely, 2^11005540401 is an apocalyptic number.

It is an amenable number.

11005540401 is a deficient number, since it is larger than the sum of its proper divisors (3669785583).

11005540401 is a wasteful number, since it uses less digits than its factorization.

11005540401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318031.

The product of its (nonzero) digits is 400, while the sum is 21.

The spelling of 11005540401 in words is "eleven billion, five million, five hundred forty thousand, four hundred one".