1175420916057 has 4 divisors (see below), whose sum is σ = 1567227888080. Its totient is φ = 783613944036.

The previous prime is 1175420916001. The next prime is 1175420916073. The reversal of 1175420916057 is 7506190245711.

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 not a de Polignac number, because 1175420916057 - 2²⁶ = 1175353807193 is a prime.

It is a super-3 number, since 3×1175420916057³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1175420915997 and 1175420916015.

It is not an unprimeable number, because it can be changed into a prime (1175420916097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195903486007 + ... + 195903486012.

It is an arithmetic number, because the mean of its divisors is an integer number (391806972020).

Almost surely, 2^{1175420916057} is an apocalyptic number.

It is an amenable number.

1175420916057 is a deficient number, since it is larger than the sum of its proper divisors (391806972023).

1175420916057 is an equidigital number, since it uses as much as digits as its factorization.

1175420916057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391806972022.

The product of its (nonzero) digits is 529200, while the sum is 48.

The spelling of 1175420916057 in words is "one trillion, one hundred seventy-five billion, four hundred twenty million, nine hundred sixteen thousand, fifty-seven".