1356030550021 has 8 divisors (see below), whose sum is σ = 1550441998080. Its totient is φ = 1161792301488.

The previous prime is 1356030550019. The next prime is 1356030550073. The reversal of 1356030550021 is 1200550306531.

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

It is not a de Polignac number, because 1356030550021 - 2¹ = 1356030550019 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 (1356030550921) 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, 43283101 + ... + 43314418.

It is an arithmetic number, because the mean of its divisors is an integer number (193805249760).

Almost surely, 2^{1356030550021} is an apocalyptic number.

It is an amenable number.

1356030550021 is a deficient number, since it is larger than the sum of its proper divisors (194411448059).

1356030550021 is an equidigital number, since it uses as much as digits as its factorization.

1356030550021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86599763.

The product of its (nonzero) digits is 13500, while the sum is 31.

Adding to 1356030550021 its reverse (1200550306531), we get a palindrome (2556580856552).

The spelling of 1356030550021 in words is "one trillion, three hundred fifty-six billion, thirty million, five hundred fifty thousand, twenty-one".