1455511286138 has 48 divisors (see below), whose sum is σ = 2736871782624. Its totient is φ = 575429793120.

The previous prime is 1455511286129. The next prime is 1455511286209. The reversal of 1455511286138 is 8316821155541.

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 23 ways as a sum of consecutive naturals, for example, 1577381 + ... + 2323607.

It is an arithmetic number, because the mean of its divisors is an integer number (57018162138).

Almost surely, 2^{1455511286138} is an apocalyptic number.

1455511286138 is a deficient number, since it is larger than the sum of its proper divisors (1281360496486).

1455511286138 is a wasteful number, since it uses less digits than its factorization.

1455511286138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747787 (or 747780 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 50.

The spelling of 1455511286138 in words is "one trillion, four hundred fifty-five billion, five hundred eleven million, two hundred eighty-six thousand, one hundred thirty-eight".