1111311202139 has 2 divisors, whose sum is σ = 1111311202140. Its totient is φ = 1111311202138.

The previous prime is 1111311202103. The next prime is 1111311202147. The reversal of 1111311202139 is 9312021131111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111311202139 - 2¹² = 1111311198043 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111311202159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555655601069 + 555655601070.

It is an arithmetic number, because the mean of its divisors is an integer number (555655601070).

Almost surely, 2^{1111311202139} is an apocalyptic number.

1111311202139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111311202139 is an equidigital number, since it uses as much as digits as its factorization.

1111311202139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 26.

The spelling of 1111311202139 in words is "one trillion, one hundred eleven billion, three hundred eleven million, two hundred two thousand, one hundred thirty-nine".