1258328788031 has 16 divisors (see below), whose sum is σ = 1554691944960. Its totient is φ = 994184578080.

The previous prime is 1258328788021. The next prime is 1258328788033. The reversal of 1258328788031 is 1308878238521.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1258328788031 is a prime.

It is a super-2 number, since 2×1258328788031² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1258328788033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127848035 + ... + 127857876.

It is an arithmetic number, because the mean of its divisors is an integer number (97168246560).

Almost surely, 2^{1258328788031} is an apocalyptic number.

1258328788031 is a deficient number, since it is larger than the sum of its proper divisors (296363156929).

1258328788031 is a wasteful number, since it uses less digits than its factorization.

1258328788031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255705974.

The product of its (nonzero) digits is 5160960, while the sum is 56.

The spelling of 1258328788031 in words is "one trillion, two hundred fifty-eight billion, three hundred twenty-eight million, seven hundred eighty-eight thousand, thirty-one".