11463551977 has 2 divisors, whose sum is σ = 11463551978. Its totient is φ = 11463551976.

The previous prime is 11463551959. The next prime is 11463552073. The reversal of 11463551977 is 77915536411.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11442794841 + 20757136 = 106971^2 + 4556^2 .

It is an emirp because it is prime and its reverse (77915536411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11463551977 - 2¹⁹ = 11463027689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11463551977.

It is not a weakly prime, because it can be changed into another prime (11463551947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5731775988 + 5731775989.

It is an arithmetic number, because the mean of its divisors is an integer number (5731775989).

Almost surely, 2^11463551977 is an apocalyptic number.

It is an amenable number.

11463551977 is a deficient number, since it is larger than the sum of its proper divisors (1).

11463551977 is an equidigital number, since it uses as much as digits as its factorization.

11463551977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 793800, while the sum is 49.

The spelling of 11463551977 in words is "eleven billion, four hundred sixty-three million, five hundred fifty-one thousand, nine hundred seventy-seven".