1054134254665 has 4 divisors (see below), whose sum is σ = 1264961105604. Its totient is φ = 843307403728.

The previous prime is 1054134254639. The next prime is 1054134254669. The reversal of 1054134254665 is 5664524314501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 335077741881 + 719056512784 = 578859^2 + 847972^2 .

It is a cyclic number.

It is not a de Polignac number, because 1054134254665 - 2⁹ = 1054134254153 is a prime.

It is a super-2 number, since 2×1054134254665² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1054134254669) 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, 105413425462 + ... + 105413425471.

It is an arithmetic number, because the mean of its divisors is an integer number (316240276401).

Almost surely, 2^{1054134254665} is an apocalyptic number.

It is an amenable number.

1054134254665 is a deficient number, since it is larger than the sum of its proper divisors (210826850939).

1054134254665 is an equidigital number, since it uses as much as digits as its factorization.

1054134254665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210826850938.

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 1054134254665 in words is "one trillion, fifty-four billion, one hundred thirty-four million, two hundred fifty-four thousand, six hundred sixty-five".