1455455115556 has 24 divisors (see below), whose sum is σ = 2743176611840. Its totient is φ = 671698675872.

The previous prime is 1455455115551. The next prime is 1455455115559. The reversal of 1455455115556 is 6555115545541.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (1455455115551) 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, 326046 + ... + 1737013.

Almost surely, 2^{1455455115556} is an apocalyptic number.

It is an amenable number.

1455455115556 is a deficient number, since it is larger than the sum of its proper divisors (1287721496284).

1455455115556 is a wasteful number, since it uses less digits than its factorization.

1455455115556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076643 (or 2076641 counting only the distinct ones).

The product of its digits is 7500000, while the sum is 52.

The spelling of 1455455115556 in words is "one trillion, four hundred fifty-five billion, four hundred fifty-five million, one hundred fifteen thousand, five hundred fifty-six".