1177808198941 has 4 divisors (see below), whose sum is σ = 1284881671584. Its totient is φ = 1070734726300.

The previous prime is 1177808198899. The next prime is 1177808198947. The reversal of 1177808198941 is 1498918087711.

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 1177808198941 - 2⁷ = 1177808198813 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 (1177808198947) 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, 53536736305 + ... + 53536736326.

It is an arithmetic number, because the mean of its divisors is an integer number (321220417896).

Almost surely, 2^{1177808198941} is an apocalyptic number.

1177808198941 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1177808198941 is a deficient number, since it is larger than the sum of its proper divisors (107073472643).

1177808198941 is a wasteful number, since it uses less digits than its factorization.

1177808198941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107073472642.

The product of its (nonzero) digits is 8128512, while the sum is 64.

The spelling of 1177808198941 in words is "one trillion, one hundred seventy-seven billion, eight hundred eight million, one hundred ninety-eight thousand, nine hundred forty-one".