1056622517477 has 2 divisors, whose sum is σ = 1056622517478. Its totient is φ = 1056622517476.

The previous prime is 1056622517459. The next prime is 1056622517497. The reversal of 1056622517477 is 7747152266501.

1056622517477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 694273899361 + 362348618116 = 833231^2 + 601954^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056622517477 - 2⁸ = 1056622517221 is a prime.

It is a super-2 number, since 2×1056622517477² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1056622517407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528311258738 + 528311258739.

It is an arithmetic number, because the mean of its divisors is an integer number (528311258739).

Almost surely, 2^{1056622517477} is an apocalyptic number.

It is an amenable number.

1056622517477 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056622517477 is an equidigital number, since it uses as much as digits as its factorization.

1056622517477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4939200, while the sum is 53.

The spelling of 1056622517477 in words is "one trillion, fifty-six billion, six hundred twenty-two million, five hundred seventeen thousand, four hundred seventy-seven".