10481540477821 has 4 divisors (see below), whose sum is σ = 11978903403232. Its totient is φ = 8984177552412.

The previous prime is 10481540477797. The next prime is 10481540477839. The reversal of 10481540477821 is 12877404518401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10481540477821 - 2¹⁵ = 10481540445053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10481540477851) 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, 748681462695 + ... + 748681462708.

It is an arithmetic number, because the mean of its divisors is an integer number (2994725850808).

Almost surely, 2^{10481540477821} is an apocalyptic number.

It is an amenable number.

10481540477821 is a deficient number, since it is larger than the sum of its proper divisors (1497362925411).

10481540477821 is an equidigital number, since it uses as much as digits as its factorization.

10481540477821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497362925410.

The product of its (nonzero) digits is 2007040, while the sum is 52.

The spelling of 10481540477821 in words is "ten trillion, four hundred eighty-one billion, five hundred forty million, four hundred seventy-seven thousand, eight hundred twenty-one".