11161275074057 has 4 divisors (see below), whose sum is σ = 11209177542420. Its totient is φ = 11113372605696.

The previous prime is 11161275073981. The next prime is 11161275074083. The reversal of 11161275074057 is 75047057216111.

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 5431901454736 + 5729373619321 = 2330644^2 + 2393611^2 .

It is a cyclic number.

It is not a de Polignac number, because 11161275074057 - 2²⁰ = 11161274025481 is a prime.

It is a super-2 number, since 2×11161275074057² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11161275074357) 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, 23951233832 + ... + 23951234297.

It is an arithmetic number, because the mean of its divisors is an integer number (2802294385605).

Almost surely, 2^{11161275074057} is an apocalyptic number.

It is an amenable number.

11161275074057 is a deficient number, since it is larger than the sum of its proper divisors (47902468363).

11161275074057 is an equidigital number, since it uses as much as digits as its factorization.

11161275074057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47902468362.

The product of its (nonzero) digits is 411600, while the sum is 47.

The spelling of 11161275074057 in words is "eleven trillion, one hundred sixty-one billion, two hundred seventy-five million, seventy-four thousand, fifty-seven".