130661911257 has 8 divisors (see below), whose sum is σ = 178267413984. Its totient is φ = 85082174688.

The previous prime is 130661911241. The next prime is 130661911291. The reversal of 130661911257 is 752119166031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 130661911257 - 2⁴ = 130661911241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130661911207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506441388 + ... + 506441645.

It is an arithmetic number, because the mean of its divisors is an integer number (22283426748).

Almost surely, 2^130661911257 is an apocalyptic number.

It is an amenable number.

130661911257 is a deficient number, since it is larger than the sum of its proper divisors (47605502727).

130661911257 is a wasteful number, since it uses less digits than its factorization.

130661911257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012883079.

The product of its (nonzero) digits is 68040, while the sum is 42.

It can be divided in two parts, 1306619 and 11257, that added together give a triangular number (1317876 = T₁₆₂₃).

The spelling of 130661911257 in words is "one hundred thirty billion, six hundred sixty-one million, nine hundred eleven thousand, two hundred fifty-seven".