2011544788101 has 8 divisors (see below), whose sum is σ = 2682205247040. Its totient is φ = 1340957093952.

The previous prime is 2011544788063. The next prime is 2011544788139. The reversal of 2011544788101 is 1018874451102.

It is an interprime number because it is at equal distance from previous prime (2011544788063) and next prime (2011544788139).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2011544788101 - 2²³ = 2011536399493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011544781101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18126660 + ... + 18237293.

It is an arithmetic number, because the mean of its divisors is an integer number (335275655880).

Almost surely, 2^{2011544788101} is an apocalyptic number.

It is an amenable number.

2011544788101 is a deficient number, since it is larger than the sum of its proper divisors (670660458939).

2011544788101 is a wasteful number, since it uses less digits than its factorization.

2011544788101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36382395.

The product of its (nonzero) digits is 71680, while the sum is 42.

The spelling of 2011544788101 in words is "two trillion, eleven billion, five hundred forty-four million, seven hundred eighty-eight thousand, one hundred one".