1055278852501 has 2 divisors, whose sum is σ = 1055278852502. Its totient is φ = 1055278852500.

The previous prime is 1055278852487. The next prime is 1055278852513. The reversal of 1055278852501 is 1052588725501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 665572062276 + 389706790225 = 815826^2 + 624265^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055278852501 - 2⁵ = 1055278852469 is a prime.

It is a super-2 number, since 2×1055278852501² (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 (1055278052501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527639426250 + 527639426251.

It is an arithmetic number, because the mean of its divisors is an integer number (527639426251).

Almost surely, 2^{1055278852501} is an apocalyptic number.

It is an amenable number.

1055278852501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055278852501 is an equidigital number, since it uses as much as digits as its factorization.

1055278852501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120000, while the sum is 49.

The spelling of 1055278852501 in words is "one trillion, fifty-five billion, two hundred seventy-eight million, eight hundred fifty-two thousand, five hundred one".