11055061957 has 4 divisors (see below), whose sum is σ = 11436271020. Its totient is φ = 10673852896.

The previous prime is 11055061951. The next prime is 11055061999. The reversal of 11055061957 is 75916055011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9432100161 + 1622961796 = 97119^2 + 40286^2 .

It is a cyclic number.

It is not a de Polignac number, because 11055061957 - 2³ = 11055061949 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11055061951) 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, 190604488 + ... + 190604545.

It is an arithmetic number, because the mean of its divisors is an integer number (2859067755).

Almost surely, 2^11055061957 is an apocalyptic number.

It is an amenable number.

11055061957 is a deficient number, since it is larger than the sum of its proper divisors (381209063).

11055061957 is an equidigital number, since it uses as much as digits as its factorization.

11055061957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381209062.

The product of its (nonzero) digits is 47250, while the sum is 40.

The spelling of 11055061957 in words is "eleven billion, fifty-five million, sixty-one thousand, nine hundred fifty-seven".