1157720739803 has 2 divisors, whose sum is σ = 1157720739804. Its totient is φ = 1157720739802.

The previous prime is 1157720739727. The next prime is 1157720739853. The reversal of 1157720739803 is 3089370277511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1157720739803 - 2³² = 1153425772507 is a prime.

It is a super-2 number, since 2×1157720739803² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1157720739853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578860369901 + 578860369902.

It is an arithmetic number, because the mean of its divisors is an integer number (578860369902).

Almost surely, 2^{1157720739803} is an apocalyptic number.

1157720739803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157720739803 is an equidigital number, since it uses as much as digits as its factorization.

1157720739803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2222640, while the sum is 53.

The spelling of 1157720739803 in words is "one trillion, one hundred fifty-seven billion, seven hundred twenty million, seven hundred thirty-nine thousand, eight hundred three".