1055486235621 has 8 divisors (see below), whose sum is σ = 1409754003904. Its totient is φ = 702437978880.

The previous prime is 1055486235589. The next prime is 1055486235707. The reversal of 1055486235621 is 1265326845501.

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

It is not a de Polignac number, because 1055486235621 - 2⁵ = 1055486235589 is a prime.

It is a super-2 number, since 2×1055486235621² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055486235521) 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, 304875865 + ... + 304879326.

It is an arithmetic number, because the mean of its divisors is an integer number (176219250488).

Almost surely, 2^{1055486235621} is an apocalyptic number.

It is an amenable number.

1055486235621 is a deficient number, since it is larger than the sum of its proper divisors (354267768283).

1055486235621 is an equidigital number, since it uses as much as digits as its factorization.

1055486235621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609755771.

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 1055486235621 in words is "one trillion, fifty-five billion, four hundred eighty-six million, two hundred thirty-five thousand, six hundred twenty-one".