1048418921090 has 16 divisors (see below), whose sum is σ = 1887168222720. Its totient is φ = 419364420720.

The previous prime is 1048418921089. The next prime is 1048418921141. The reversal of 1048418921090 is 901298148401.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1390685 + ... + 2007695.

It is an arithmetic number, because the mean of its divisors is an integer number (117948013920).

Almost surely, 2^{1048418921090} is an apocalyptic number.

1048418921090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1048418921090 is a deficient number, since it is larger than the sum of its proper divisors (838749301630).

1048418921090 is a wasteful number, since it uses less digits than its factorization.

1048418921090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786937.

The product of its (nonzero) digits is 165888, while the sum is 47.

The spelling of 1048418921090 in words is "one trillion, forty-eight billion, four hundred eighteen million, nine hundred twenty-one thousand, ninety".