1455545955557 has 4 divisors (see below), whose sum is σ = 1455555628236. Its totient is φ = 1455536282880.

The previous prime is 1455545955533. The next prime is 1455545955569. The reversal of 1455545955557 is 7555595455541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1161295037956 + 294250917601 = 1077634^2 + 542449^2 .

It is a cyclic number.

It is not a de Polignac number, because 1455545955557 - 2¹⁶ = 1455545890021 is a prime.

It is a super-2 number, since 2×1455545955557² (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 = 1455545955493 and 1455545955502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455545955517) 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, 4606994 + ... + 4912787.

It is an arithmetic number, because the mean of its divisors is an integer number (363888907059).

Almost surely, 2^{1455545955557} is an apocalyptic number.

It is an amenable number.

1455545955557 is a deficient number, since it is larger than the sum of its proper divisors (9672679).

1455545955557 is an equidigital number, since it uses as much as digits as its factorization.

1455545955557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9672678.

The product of its digits is 393750000, while the sum is 65.

The spelling of 1455545955557 in words is "one trillion, four hundred fifty-five billion, five hundred forty-five million, nine hundred fifty-five thousand, five hundred fifty-seven".