1453615450121 has 4 divisors (see below), whose sum is σ = 1455307669200. Its totient is φ = 1451923231044.

The previous prime is 1453615450117. The next prime is 1453615450123. The reversal of 1453615450121 is 1210545163541.

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 1453615450121 - 2² = 1453615450117 is a prime.

It is a super-2 number, since 2×1453615450121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1453615450123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 846108251 + ... + 846109968.

It is an arithmetic number, because the mean of its divisors is an integer number (363826917300).

Almost surely, 2^{1453615450121} is an apocalyptic number.

It is an amenable number.

1453615450121 is a deficient number, since it is larger than the sum of its proper divisors (1692219079).

1453615450121 is an equidigital number, since it uses as much as digits as its factorization.

1453615450121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692219078.

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 1453615450121 in words is "one trillion, four hundred fifty-three billion, six hundred fifteen million, four hundred fifty thousand, one hundred twenty-one".