11001020465601 has 12 divisors (see below), whose sum is σ = 15918587347728. Its totient is φ = 7320986973144.

The previous prime is 11001020465573. The next prime is 11001020465627. The reversal of 11001020465601 is 10656402010011.

11001020465601 is a `hidden beast` number, since 1 + 1 + 0 + 0 + 1 + 0 + 2 + 0 + 4 + 656 + 0 + 1 = 666.

It is not a de Polignac number, because 11001020465601 - 2⁷ = 11001020465473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11001020465401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1085550535 + ... + 1085560668.

It is an arithmetic number, because the mean of its divisors is an integer number (1326548945644).

Almost surely, 2^{11001020465601} is an apocalyptic number.

It is an amenable number.

11001020465601 is a deficient number, since it is larger than the sum of its proper divisors (4917566882127).

11001020465601 is a wasteful number, since it uses less digits than its factorization.

11001020465601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171111772 (or 2171111769 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 11001020465601 its reverse (10656402010011), we get a palindrome (21657422475612).

The spelling of 11001020465601 in words is "eleven trillion, one billion, twenty million, four hundred sixty-five thousand, six hundred one".