1051661031053 has 2 divisors, whose sum is σ = 1051661031054. Its totient is φ = 1051661031052.

The previous prime is 1051661030977. The next prime is 1051661031073. The reversal of 1051661031053 is 3501301661501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1021710575209 + 29950455844 = 1010797^2 + 173062^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051661031053 - 2¹⁰ = 1051661030029 is a prime.

It is a super-2 number, since 2×1051661031053² (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 (1051661031073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525830515526 + 525830515527.

It is an arithmetic number, because the mean of its divisors is an integer number (525830515527).

Almost surely, 2^{1051661031053} is an apocalyptic number.

It is an amenable number.

1051661031053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051661031053 is an equidigital number, since it uses as much as digits as its factorization.

1051661031053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 32.

Adding to 1051661031053 its reverse (3501301661501), we get a palindrome (4552962692554).

The spelling of 1051661031053 in words is "one trillion, fifty-one billion, six hundred sixty-one million, thirty-one thousand, fifty-three".