1157932955709 has 80 divisors (see below), whose sum is σ = 1839626738928. Its totient is φ = 723330736128.

The previous prime is 1157932955653. The next prime is 1157932955717. The reversal of 1157932955709 is 9075592397511.

1157932955709 is a `hidden beast` number, since 1 + 1 + 5 + 79 + 3 + 2 + 9 + 557 + 0 + 9 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 28979955225 + 1128953000484 = 170235^2 + 1062522^2 .

It is not a de Polignac number, because 1157932955709 - 2¹² = 1157932951613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157932955009) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 337293057 + ... + 337296489.

Almost surely, 2^{1157932955709} is an apocalyptic number.

It is an amenable number.

1157932955709 is a deficient number, since it is larger than the sum of its proper divisors (681693783219).

1157932955709 is a wasteful number, since it uses less digits than its factorization.

1157932955709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4476 (or 4467 counting only the distinct ones).

The product of its (nonzero) digits is 26790750, while the sum is 63.

The spelling of 1157932955709 in words is "one trillion, one hundred fifty-seven billion, nine hundred thirty-two million, nine hundred fifty-five thousand, seven hundred nine".