1018158459350 has 12 divisors (see below), whose sum is σ = 1893774734484. Its totient is φ = 407263383720.

The previous prime is 1018158459349. The next prime is 1018158459407. The reversal of 1018158459350 is 539548518101.

It is a Harshad number since it is a multiple of its sum of digits (50), and also a Moran number because the ratio is a prime number: 20363169187 = 1018158459350 / (1 + 0 + 1 + 8 + 1 + 5 + 8 + 4 + 5 + 9 + 3 + 5 + 0).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 10181584544 + ... + 10181584643.

It is an arithmetic number, because the mean of its divisors is an integer number (157814561207).

Almost surely, 2^{1018158459350} is an apocalyptic number.

1018158459350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1018158459350 is a deficient number, since it is larger than the sum of its proper divisors (875616275134).

1018158459350 is a wasteful number, since it uses less digits than its factorization.

1018158459350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20363169199 (or 20363169194 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 50.

The spelling of 1018158459350 in words is "one trillion, eighteen billion, one hundred fifty-eight million, four hundred fifty-nine thousand, three hundred fifty".