11425549477 has 2 divisors, whose sum is σ = 11425549478. Its totient is φ = 11425549476.

The previous prime is 11425549451. The next prime is 11425549501. The reversal of 11425549477 is 77494552411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6521208516 + 4904340961 = 80754^2 + 70031^2 .

It is a cyclic number.

It is not a de Polignac number, because 11425549477 - 2⁷ = 11425549349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11425549477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11425559477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5712774738 + 5712774739.

It is an arithmetic number, because the mean of its divisors is an integer number (5712774739).

Almost surely, 2^11425549477 is an apocalyptic number.

It is an amenable number.

11425549477 is a deficient number, since it is larger than the sum of its proper divisors (1).

11425549477 is an equidigital number, since it uses as much as digits as its factorization.

11425549477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1411200, while the sum is 49.

The spelling of 11425549477 in words is "eleven billion, four hundred twenty-five million, five hundred forty-nine thousand, four hundred seventy-seven".