1055551062061 has 2 divisors, whose sum is σ = 1055551062062. Its totient is φ = 1055551062060.

The previous prime is 1055551062043. The next prime is 1055551062067. The reversal of 1055551062061 is 1602601555501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1037177259561 + 18373802500 = 1018419^2 + 135550^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055551062061 - 2⁷ = 1055551061933 is a prime.

It is a super-2 number, since 2×1055551062061² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1055551062061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055551062067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527775531030 + 527775531031.

It is an arithmetic number, because the mean of its divisors is an integer number (527775531031).

Almost surely, 2^{1055551062061} is an apocalyptic number.

It is an amenable number.

1055551062061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055551062061 is an equidigital number, since it uses as much as digits as its factorization.

1055551062061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45000, while the sum is 37.

The spelling of 1055551062061 in words is "one trillion, fifty-five billion, five hundred fifty-one million, sixty-two thousand, sixty-one".