1115611362497 has 2 divisors, whose sum is σ = 1115611362498. Its totient is φ = 1115611362496.

The previous prime is 1115611362473. The next prime is 1115611362563. The reversal of 1115611362497 is 7942631165111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1086266302081 + 29345060416 = 1042241^2 + 171304^2 .

It is a cyclic number.

It is not a de Polignac number, because 1115611362497 - 2⁶ = 1115611362433 is a prime.

It is not a weakly prime, because it can be changed into another prime (1115611362097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557805681248 + 557805681249.

It is an arithmetic number, because the mean of its divisors is an integer number (557805681249).

Almost surely, 2^{1115611362497} is an apocalyptic number.

It is an amenable number.

1115611362497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115611362497 is an equidigital number, since it uses as much as digits as its factorization.

1115611362497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 47.

The spelling of 1115611362497 in words is "one trillion, one hundred fifteen billion, six hundred eleven million, three hundred sixty-two thousand, four hundred ninety-seven".