11041036781001 has 4 divisors (see below), whose sum is σ = 14721382374672. Its totient is φ = 7360691187332.

The previous prime is 11041036780999. The next prime is 11041036781003. The reversal of 11041036781001 is 10018763014011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (11041036780999) and next prime (11041036781003).

It is a cyclic number.

It is not a de Polignac number, because 11041036781001 - 2¹ = 11041036780999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11041036781003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1840172796831 + ... + 1840172796836.

It is an arithmetic number, because the mean of its divisors is an integer number (3680345593668).

Almost surely, 2^{11041036781001} is an apocalyptic number.

It is an amenable number.

11041036781001 is a deficient number, since it is larger than the sum of its proper divisors (3680345593671).

11041036781001 is an equidigital number, since it uses as much as digits as its factorization.

11041036781001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3680345593670.

The product of its (nonzero) digits is 4032, while the sum is 33.

Adding to 11041036781001 its reverse (10018763014011), we get a palindrome (21059799795012).

The spelling of 11041036781001 in words is "eleven trillion, forty-one billion, thirty-six million, seven hundred eighty-one thousand, one".