11051641541261 has 4 divisors (see below), whose sum is σ = 11073789120000. Its totient is φ = 11029493962524.

The previous prime is 11051641541243. The next prime is 11051641541321. The reversal of 11051641541261 is 16214514615011.

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 a cyclic number.

It is not a de Polignac number, because 11051641541261 - 2³⁰ = 11050567799437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11051641541861) 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, 11073788621 + ... + 11073789618.

It is an arithmetic number, because the mean of its divisors is an integer number (2768447280000).

Almost surely, 2^{11051641541261} is an apocalyptic number.

It is an amenable number.

11051641541261 is a deficient number, since it is larger than the sum of its proper divisors (22147578739).

11051641541261 is an equidigital number, since it uses as much as digits as its factorization.

11051641541261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22147578738.

The product of its (nonzero) digits is 28800, while the sum is 38.

The spelling of 11051641541261 in words is "eleven trillion, fifty-one billion, six hundred forty-one million, five hundred forty-one thousand, two hundred sixty-one".