1055047472791 has 8 divisors (see below), whose sum is σ = 1136223974480. Its totient is φ = 973873685952.

The previous prime is 1055047472789. The next prime is 1055047472803. The reversal of 1055047472791 is 1972747405501.

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 1055047472791 - 2¹ = 1055047472789 is a prime.

It is a super-2 number, since 2×1055047472791² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055047472701) 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, 167515 + ... + 1462243.

It is an arithmetic number, because the mean of its divisors is an integer number (142027996810).

Almost surely, 2^{1055047472791} is an apocalyptic number.

1055047472791 is a deficient number, since it is larger than the sum of its proper divisors (81176501689).

1055047472791 is a wasteful number, since it uses less digits than its factorization.

1055047472791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357425.

The product of its (nonzero) digits is 2469600, while the sum is 52.

The spelling of 1055047472791 in words is "one trillion, fifty-five billion, forty-seven million, four hundred seventy-two thousand, seven hundred ninety-one".