1055377788061 has 2 divisors, whose sum is σ = 1055377788062. Its totient is φ = 1055377788060.

The previous prime is 1055377788013. The next prime is 1055377788067. The reversal of 1055377788061 is 1608877735501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 668356935961 + 387020852100 = 817531^2 + 622110^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055377788061 - 2²⁷ = 1055243570333 is a prime.

It is a super-3 number, since 3×1055377788061³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1055377787987 and 1055377788005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055377788067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527688894030 + 527688894031.

It is an arithmetic number, because the mean of its divisors is an integer number (527688894031).

Almost surely, 2^{1055377788061} is an apocalyptic number.

It is an amenable number.

1055377788061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055377788061 is an equidigital number, since it uses as much as digits as its factorization.

1055377788061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9878400, while the sum is 58.

The spelling of 1055377788061 in words is "one trillion, fifty-five billion, three hundred seventy-seven million, seven hundred eighty-eight thousand, sixty-one".