1130006621561 has 2 divisors, whose sum is σ = 1130006621562. Its totient is φ = 1130006621560.

The previous prime is 1130006621521. The next prime is 1130006621567. The reversal of 1130006621561 is 1651266000311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 983133723961 + 146872897600 = 991531^2 + 383240^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130006621561 - 2¹⁰ = 1130006620537 is a prime.

It is a super-3 number, since 3×1130006621561³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1130006621567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565003310780 + 565003310781.

It is an arithmetic number, because the mean of its divisors is an integer number (565003310781).

Almost surely, 2^{1130006621561} is an apocalyptic number.

It is an amenable number.

1130006621561 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130006621561 is an equidigital number, since it uses as much as digits as its factorization.

1130006621561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 1130006621561 in words is "one trillion, one hundred thirty billion, six million, six hundred twenty-one thousand, five hundred sixty-one".