1121161615043 has 2 divisors, whose sum is σ = 1121161615044. Its totient is φ = 1121161615042.

The previous prime is 1121161615031. The next prime is 1121161615081. The reversal of 1121161615043 is 3405161611211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121161615043 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121161615543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560580807521 + 560580807522.

It is an arithmetic number, because the mean of its divisors is an integer number (560580807522).

Almost surely, 2^{1121161615043} is an apocalyptic number.

1121161615043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121161615043 is an equidigital number, since it uses as much as digits as its factorization.

1121161615043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 32.

The spelling of 1121161615043 in words is "one trillion, one hundred twenty-one billion, one hundred sixty-one million, six hundred fifteen thousand, forty-three".