1055858447918 has 16 divisors (see below), whose sum is σ = 1621865787696. Its totient is φ = 515255395200.

The previous prime is 1055858447909. The next prime is 1055858447953. The reversal of 1055858447918 is 8197448585501.

It is a super-2 number, since 2×1055858447918² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4606571 + ... + 4830342.

It is an arithmetic number, because the mean of its divisors is an integer number (101366611731).

Almost surely, 2^{1055858447918} is an apocalyptic number.

1055858447918 is a deficient number, since it is larger than the sum of its proper divisors (566007339778).

1055858447918 is a wasteful number, since it uses less digits than its factorization.

1055858447918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9438259.

The product of its (nonzero) digits is 64512000, while the sum is 65.

The spelling of 1055858447918 in words is "one trillion, fifty-five billion, eight hundred fifty-eight million, four hundred forty-seven thousand, nine hundred eighteen".