1977153181183 has 2 divisors, whose sum is σ = 1977153181184. Its totient is φ = 1977153181182.

The previous prime is 1977153181163. The next prime is 1977153181247. The reversal of 1977153181183 is 3811813517791.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1977153181183 - 2⁹ = 1977153180671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1977153181163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 988576590591 + 988576590592.

It is an arithmetic number, because the mean of its divisors is an integer number (988576590592).

Almost surely, 2^{1977153181183} is an apocalyptic number.

1977153181183 is a deficient number, since it is larger than the sum of its proper divisors (1).

1977153181183 is an equidigital number, since it uses as much as digits as its factorization.

1977153181183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 55.

The spelling of 1977153181183 in words is "one trillion, nine hundred seventy-seven billion, one hundred fifty-three million, one hundred eighty-one thousand, one hundred eighty-three".