757131121917 has 6 divisors (see below), whose sum is σ = 1093633842782. Its totient is φ = 504754081272.

The previous prime is 757131121907. The next prime is 757131121927. The reversal of 757131121917 is 719121131757.

It is an interprime number because it is at equal distance from previous prime (757131121907) and next prime (757131121927).

It can be written as a sum of positive squares in only one way, i.e., 649323309636 + 107807812281 = 805806^2 + 328341^2 .

It is not a de Polignac number, because 757131121917 - 2⁶ = 757131121853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (757131121907) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42062840098 + ... + 42062840115.

Almost surely, 2^757131121917 is an apocalyptic number.

It is an amenable number.

757131121917 is a deficient number, since it is larger than the sum of its proper divisors (336502720865).

757131121917 is a wasteful number, since it uses less digits than its factorization.

757131121917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84125680219 (or 84125680216 counting only the distinct ones).

The product of its digits is 92610, while the sum is 45.

The spelling of 757131121917 in words is "seven hundred fifty-seven billion, one hundred thirty-one million, one hundred twenty-one thousand, nine hundred seventeen".