1054888478809 has 4 divisors (see below), whose sum is σ = 1150787431440. Its totient is φ = 958989526180.

The previous prime is 1054888478773. The next prime is 1054888478827. The reversal of 1054888478809 is 9088748884501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1054888478809 is a prime.

It is a super-3 number, since 3×1054888478809³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1054888478869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47949476299 + ... + 47949476320.

It is an arithmetic number, because the mean of its divisors is an integer number (287696857860).

Almost surely, 2^{1054888478809} is an apocalyptic number.

It is an amenable number.

1054888478809 is a deficient number, since it is larger than the sum of its proper divisors (95898952631).

1054888478809 is an equidigital number, since it uses as much as digits as its factorization.

1054888478809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95898952630.

The product of its (nonzero) digits is 165150720, while the sum is 70.

The spelling of 1054888478809 in words is "one trillion, fifty-four billion, eight hundred eighty-eight million, four hundred seventy-eight thousand, eight hundred nine".