1054440655531 has 8 divisors (see below), whose sum is σ = 1054843482560. Its totient is φ = 1054037916288.

The previous prime is 1054440655523. The next prime is 1054440655601. The reversal of 1054440655531 is 1355560444501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1054440655531 - 2³ = 1054440655523 is a prime.

It is a super-2 number, since 2×1054440655531² (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 (1054440655511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32431075 + ... + 32463571.

It is an arithmetic number, because the mean of its divisors is an integer number (131855435320).

Almost surely, 2^{1054440655531} is an apocalyptic number.

1054440655531 is a deficient number, since it is larger than the sum of its proper divisors (402827029).

1054440655531 is an equidigital number, since it uses as much as digits as its factorization.

1054440655531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43893.

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 1054440655531 in words is "one trillion, fifty-four billion, four hundred forty million, six hundred fifty-five thousand, five hundred thirty-one".