257161150415707 has 4 divisors (see below), whose sum is σ = 257982751535560. Its totient is φ = 256339549295856.

The previous prime is 257161150415699. The next prime is 257161150415717. The reversal of 257161150415707 is 707514051161752.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 257161150415707 - 2³ = 257161150415699 is a prime.

It is a super-2 number, since 2×257161150415707² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (257161150415717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410800559457 + ... + 410800560082.

It is an arithmetic number, because the mean of its divisors is an integer number (64495687883890).

Almost surely, 2^{257161150415707} is an apocalyptic number.

257161150415707 is a deficient number, since it is larger than the sum of its proper divisors (821601119853).

257161150415707 is an equidigital number, since it uses as much as digits as its factorization.

257161150415707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821601119852.

The product of its (nonzero) digits is 2058000, while the sum is 52.

The spelling of 257161150415707 in words is "two hundred fifty-seven trillion, one hundred sixty-one billion, one hundred fifty million, four hundred fifteen thousand, seven hundred seven".