1185472609455 has 32 divisors (see below), whose sum is σ = 1902485560320. Its totient is φ = 630345006720.

The previous prime is 1185472609439. The next prime is 1185472609471. The reversal of 1185472609455 is 5549062745811.

It is an interprime number because it is at equal distance from previous prime (1185472609439) and next prime (1185472609471).

It is not a de Polignac number, because 1185472609455 - 2⁴ = 1185472609439 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1185472609395 and 1185472609404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6885754 + ... + 7055816.

It is an arithmetic number, because the mean of its divisors is an integer number (59452673760).

Almost surely, 2^{1185472609455} is an apocalyptic number.

1185472609455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1185472609455 is a deficient number, since it is larger than the sum of its proper divisors (717012950865).

1185472609455 is a wasteful number, since it uses less digits than its factorization.

1185472609455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171471.

The product of its (nonzero) digits is 12096000, while the sum is 57.

The spelling of 1185472609455 in words is "one trillion, one hundred eighty-five billion, four hundred seventy-two million, six hundred nine thousand, four hundred fifty-five".