1111009748857 has 2 divisors, whose sum is σ = 1111009748858. Its totient is φ = 1111009748856.

The previous prime is 1111009748843. The next prime is 1111009748921. The reversal of 1111009748857 is 7588479001111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1097673194601 + 13336554256 = 1047699^2 + 115484^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111009748857 - 2¹⁹ = 1111009224569 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111009748257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555504874428 + 555504874429.

It is an arithmetic number, because the mean of its divisors is an integer number (555504874429).

Almost surely, 2^{1111009748857} is an apocalyptic number.

It is an amenable number.

1111009748857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111009748857 is an equidigital number, since it uses as much as digits as its factorization.

1111009748857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564480, while the sum is 52.

The spelling of 1111009748857 in words is "one trillion, one hundred eleven billion, nine million, seven hundred forty-eight thousand, eight hundred fifty-seven".