1078131762257 has 8 divisors (see below), whose sum is σ = 1181024008032. Its totient is φ = 976052894400.

The previous prime is 1078131762247. The next prime is 1078131762307. The reversal of 1078131762257 is 7522671318701.

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

It is a cyclic number.

It is not a de Polignac number, because 1078131762257 - 2¹² = 1078131758161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1078131762247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203341703 + ... + 203347004.

It is an arithmetic number, because the mean of its divisors is an integer number (147628001004).

Almost surely, 2^{1078131762257} is an apocalyptic number.

It is an amenable number.

1078131762257 is a deficient number, since it is larger than the sum of its proper divisors (102892245775).

1078131762257 is a wasteful number, since it uses less digits than its factorization.

1078131762257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406688959.

The product of its (nonzero) digits is 987840, while the sum is 50.

The spelling of 1078131762257 in words is "one trillion, seventy-eight billion, one hundred thirty-one million, seven hundred sixty-two thousand, two hundred fifty-seven".