1157761903391 has 2 divisors, whose sum is σ = 1157761903392. Its totient is φ = 1157761903390.

The previous prime is 1157761903379. The next prime is 1157761903411. The reversal of 1157761903391 is 1933091677511.

It is a weak prime.

It is an emirp because it is prime and its reverse (1933091677511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1157761903391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1157761903591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578880951695 + 578880951696.

It is an arithmetic number, because the mean of its divisors is an integer number (578880951696).

Almost surely, 2^{1157761903391} is an apocalyptic number.

1157761903391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157761903391 is an equidigital number, since it uses as much as digits as its factorization.

1157761903391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1071630, while the sum is 53.

The spelling of 1157761903391 in words is "one trillion, one hundred fifty-seven billion, seven hundred sixty-one million, nine hundred three thousand, three hundred ninety-one".