2011445540541 has 16 divisors (see below), whose sum is σ = 3002666800320. Its totient is φ = 1330727327280.

The previous prime is 2011445540501. The next prime is 2011445540549. The reversal of 2011445540541 is 1450455441102.

2011445540541 is a `hidden beast` number, since 2 + 0 + 11 + 44 + 554 + 0 + 54 + 1 = 666.

It is not a de Polignac number, because 2011445540541 - 2²¹ = 2011443443389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2011445540496 and 2011445540505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011445540549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284339910 + ... + 284346983.

It is an arithmetic number, because the mean of its divisors is an integer number (187666675020).

Almost surely, 2^{2011445540541} is an apocalyptic number.

It is an amenable number.

2011445540541 is a deficient number, since it is larger than the sum of its proper divisors (991221259779).

2011445540541 is a wasteful number, since it uses less digits than its factorization.

2011445540541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568687033 (or 568687027 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

The spelling of 2011445540541 in words is "two trillion, eleven billion, four hundred forty-five million, five hundred forty thousand, five hundred forty-one".