1123620737611 has 2 divisors, whose sum is σ = 1123620737612. Its totient is φ = 1123620737610.

The previous prime is 1123620737587. The next prime is 1123620737671. The reversal of 1123620737611 is 1167370263211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1123620737611 - 2¹³ = 1123620729419 is a prime.

It is not a weakly prime, because it can be changed into another prime (1123620737671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561810368805 + 561810368806.

It is an arithmetic number, because the mean of its divisors is an integer number (561810368806).

Almost surely, 2^{1123620737611} is an apocalyptic number.

1123620737611 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123620737611 is an equidigital number, since it uses as much as digits as its factorization.

1123620737611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 40.

The spelling of 1123620737611 in words is "one trillion, one hundred twenty-three billion, six hundred twenty million, seven hundred thirty-seven thousand, six hundred eleven".