11052561340491 has 16 divisors (see below), whose sum is σ = 16160622778368. Its totient is φ = 6663451224800.

The previous prime is 11052561340489. The next prime is 11052561340519. The reversal of 11052561340491 is 19404316525011.

It is a cyclic number.

It is not a de Polignac number, because 11052561340491 - 2¹ = 11052561340489 is a prime.

It is a super-2 number, since 2×11052561340491² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11052561340441) 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, 876763596 + ... + 876776201.

It is an arithmetic number, because the mean of its divisors is an integer number (1010038923648).

Almost surely, 2^{11052561340491} is an apocalyptic number.

11052561340491 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11052561340491 is a deficient number, since it is larger than the sum of its proper divisors (5108061437877).

11052561340491 is a wasteful number, since it uses less digits than its factorization.

11052561340491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753540002.

The product of its (nonzero) digits is 129600, while the sum is 42.

The spelling of 11052561340491 in words is "eleven trillion, fifty-two billion, five hundred sixty-one million, three hundred forty thousand, four hundred ninety-one".