1283287718958 has 64 divisors (see below), whose sum is σ = 2948473820160. Its totient is φ = 364750693632.

The previous prime is 1283287718953. The next prime is 1283287718969. The reversal of 1283287718958 is 8598177823821.

It is a junction number, because it is equal to n+sod(n) for n = 1283287718892 and 1283287718901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283287718953) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11708266 + ... + 11817362.

It is an arithmetic number, because the mean of its divisors is an integer number (46069903440).

Almost surely, 2^{1283287718958} is an apocalyptic number.

1283287718958 is an abundant number, since it is smaller than the sum of its proper divisors (1665186101202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1283287718958 is a wasteful number, since it uses less digits than its factorization.

1283287718958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110561.

The product of its digits is 108380160, while the sum is 69.

The spelling of 1283287718958 in words is "one trillion, two hundred eighty-three billion, two hundred eighty-seven million, seven hundred eighteen thousand, nine hundred fifty-eight".