1455405543551 has 8 divisors (see below), whose sum is σ = 1502912899200. Its totient is φ = 1407933112320.

The previous prime is 1455405543541. The next prime is 1455405543587. The reversal of 1455405543551 is 1553455045541.

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

It is a cyclic number.

It is not a de Polignac number, because 1455405543551 - 2²⁶ = 1455338434687 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1455405543496 and 1455405543505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455405543541) 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, 8646386 + ... + 8813103.

It is an arithmetic number, because the mean of its divisors is an integer number (187864112400).

Almost surely, 2^{1455405543551} is an apocalyptic number.

1455405543551 is a deficient number, since it is larger than the sum of its proper divisors (47507355649).

1455405543551 is a wasteful number, since it uses less digits than its factorization.

1455405543551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17462209.

The product of its (nonzero) digits is 3000000, while the sum is 47.

The spelling of 1455405543551 in words is "one trillion, four hundred fifty-five billion, four hundred five million, five hundred forty-three thousand, five hundred fifty-one".