56770517261111 has 2 divisors, whose sum is σ = 56770517261112. Its totient is φ = 56770517261110.

The previous prime is 56770517261083. The next prime is 56770517261137. The reversal of 56770517261111 is 11116271507765.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56770517261111 - 2¹⁸ = 56770516998967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56770517261111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56770517261911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28385258630555 + 28385258630556.

It is an arithmetic number, because the mean of its divisors is an integer number (28385258630556).

Almost surely, 2^{56770517261111} is an apocalyptic number.

56770517261111 is a deficient number, since it is larger than the sum of its proper divisors (1).

56770517261111 is an equidigital number, since it uses as much as digits as its factorization.

56770517261111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 617400, while the sum is 50.

Adding to 56770517261111 its reverse (11116271507765), we get a palindrome (67886788768876).

The spelling of 56770517261111 in words is "fifty-six trillion, seven hundred seventy billion, five hundred seventeen million, two hundred sixty-one thousand, one hundred eleven".