1055486217251 has 8 divisors (see below), whose sum is σ = 1060424374800. Its totient is φ = 1050550921440.

The previous prime is 1055486217241. The next prime is 1055486217259. The reversal of 1055486217251 is 1527126845501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1055486217251 is a prime.

It is a super-2 number, since 2×1055486217251² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1055486217196 and 1055486217205.

It is not an unprimeable number, because it can be changed into a prime (1055486217259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25736 + ... + 1453146.

It is an arithmetic number, because the mean of its divisors is an integer number (132553046850).

Almost surely, 2^{1055486217251} is an apocalyptic number.

1055486217251 is a deficient number, since it is larger than the sum of its proper divisors (4938157549).

1055486217251 is a wasteful number, since it uses less digits than its factorization.

1055486217251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430869.

The product of its (nonzero) digits is 672000, while the sum is 47.

The spelling of 1055486217251 in words is "one trillion, fifty-five billion, four hundred eighty-six million, two hundred seventeen thousand, two hundred fifty-one".