1054855344945 has 32 divisors (see below), whose sum is σ = 1732717324800. Its totient is φ = 547666652160.

The previous prime is 1054855344911. The next prime is 1054855344967. The reversal of 1054855344945 is 5494435584501.

It is a happy number.

It is not a de Polignac number, because 1054855344945 - 2¹¹ = 1054855342897 is a prime.

It is a super-2 number, since 2×1054855344945² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1595545 + ... + 2157654.

It is an arithmetic number, because the mean of its divisors is an integer number (54147416400).

Almost surely, 2^{1054855344945} is an apocalyptic number.

1054855344945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1054855344945 is a deficient number, since it is larger than the sum of its proper divisors (677861979855).

1054855344945 is a wasteful number, since it uses less digits than its factorization.

1054855344945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3753705.

The product of its (nonzero) digits is 34560000, while the sum is 57.

The spelling of 1054855344945 in words is "one trillion, fifty-four billion, eight hundred fifty-five million, three hundred forty-four thousand, nine hundred forty-five".