1100742605623 has 2 divisors, whose sum is σ = 1100742605624. Its totient is φ = 1100742605622.

The previous prime is 1100742605507. The next prime is 1100742605653. The reversal of 1100742605623 is 3265062470011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1100742605623 - 2⁹ = 1100742605111 is a prime.

It is a super-2 number, since 2×1100742605623² (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 (1100742605653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550371302811 + 550371302812.

It is an arithmetic number, because the mean of its divisors is an integer number (550371302812).

Almost surely, 2^{1100742605623} is an apocalyptic number.

1100742605623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100742605623 is an equidigital number, since it uses as much as digits as its factorization.

1100742605623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 1100742605623 in words is "one trillion, one hundred billion, seven hundred forty-two million, six hundred five thousand, six hundred twenty-three".