1053216378961 has 2 divisors, whose sum is σ = 1053216378962. Its totient is φ = 1053216378960.

The previous prime is 1053216378913. The next prime is 1053216379001. The reversal of 1053216378961 is 1698736123501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 762513168400 + 290703210561 = 873220^2 + 539169^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053216378961 - 2¹³ = 1053216370769 is a prime.

It is a super-2 number, since 2×1053216378961² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1053216378899 and 1053216378908.

It is not a weakly prime, because it can be changed into another prime (1053216379961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526608189480 + 526608189481.

It is an arithmetic number, because the mean of its divisors is an integer number (526608189481).

Almost surely, 2^{1053216378961} is an apocalyptic number.

It is an amenable number.

1053216378961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1053216378961 is an equidigital number, since it uses as much as digits as its factorization.

1053216378961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 1053216378961 in words is "one trillion, fifty-three billion, two hundred sixteen million, three hundred seventy-eight thousand, nine hundred sixty-one".