11542984049 has 2 divisors, whose sum is σ = 11542984050. Its totient is φ = 11542984048.

The previous prime is 11542984009. The next prime is 11542984069. The reversal of 11542984049 is 94048924511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11479622449 + 63361600 = 107143^2 + 7960^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11542984049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11542983994 and 11542984012.

It is not a weakly prime, because it can be changed into another prime (11542984009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5771492024 + 5771492025.

It is an arithmetic number, because the mean of its divisors is an integer number (5771492025).

Almost surely, 2^11542984049 is an apocalyptic number.

It is an amenable number.

11542984049 is a deficient number, since it is larger than the sum of its proper divisors (1).

11542984049 is an equidigital number, since it uses as much as digits as its factorization.

11542984049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 11542984049 in words is "eleven billion, five hundred forty-two million, nine hundred eighty-four thousand, forty-nine".