11042242993 has 2 divisors, whose sum is σ = 11042242994. Its totient is φ = 11042242992.

The previous prime is 11042242973. The next prime is 11042243063. The reversal of 11042242993 is 39924224011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5891023009 + 5151219984 = 76753^2 + 71772^2 .

It is a cyclic number.

It is not a de Polignac number, because 11042242993 - 2¹⁷ = 11042111921 is a prime.

It is a super-2 number, since 2×11042242993² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11042242973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5521121496 + 5521121497.

It is an arithmetic number, because the mean of its divisors is an integer number (5521121497).

Almost surely, 2^11042242993 is an apocalyptic number.

It is an amenable number.

11042242993 is a deficient number, since it is larger than the sum of its proper divisors (1).

11042242993 is an equidigital number, since it uses as much as digits as its factorization.

11042242993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 11042242993 in words is "eleven billion, forty-two million, two hundred forty-two thousand, nine hundred ninety-three".