11355355477 has 2 divisors, whose sum is σ = 11355355478. Its totient is φ = 11355355476.

The previous prime is 11355355471. The next prime is 11355355519. The reversal of 11355355477 is 77455355311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11312662321 + 42693156 = 106361^2 + 6534^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11355355477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11355355471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5677677738 + 5677677739.

It is an arithmetic number, because the mean of its divisors is an integer number (5677677739).

Almost surely, 2^11355355477 is an apocalyptic number.

It is an amenable number.

11355355477 is a deficient number, since it is larger than the sum of its proper divisors (1).

11355355477 is an equidigital number, since it uses as much as digits as its factorization.

11355355477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1102500, while the sum is 46.

The spelling of 11355355477 in words is "eleven billion, three hundred fifty-five million, three hundred fifty-five thousand, four hundred seventy-seven".