1054115140985 has 16 divisors (see below), whose sum is σ = 1343923131600. Its totient is φ = 792207311616.

The previous prime is 1054115140961. The next prime is 1054115140993. The reversal of 1054115140985 is 5890415114501.

It can be written as a sum of positive squares in 8 ways, for example, as 49848599824 + 1004266541161 = 223268^2 + 1002131^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1054115140985 is a prime.

It is a super-2 number, since 2×1054115140985² (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 15 ways as a sum of consecutive naturals, for example, 98234630 + ... + 98245359.

It is an arithmetic number, because the mean of its divisors is an integer number (83995195725).

Almost surely, 2^{1054115140985} is an apocalyptic number.

It is an amenable number.

1054115140985 is a deficient number, since it is larger than the sum of its proper divisors (289807990615).

1054115140985 is a wasteful number, since it uses less digits than its factorization.

1054115140985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196480060.

The product of its (nonzero) digits is 144000, while the sum is 44.

The spelling of 1054115140985 in words is "one trillion, fifty-four billion, one hundred fifteen million, one hundred forty thousand, nine hundred eighty-five".