1153463502555 has 384 divisors, whose sum is σ = 2601012750336. Its totient is φ = 477458841600.

The previous prime is 1153463502553. The next prime is 1153463502557. The reversal of 1153463502555 is 5552053643511.

1153463502555 is a `hidden beast` number, since 1 + 1 + 5 + 3 + 4 + 635 + 0 + 2 + 5 + 5 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (1153463502553) and next prime (1153463502557).

It is not a de Polignac number, because 1153463502555 - 2¹ = 1153463502553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1153463502555.

It is not an unprimeable number, because it can be changed into a prime (1153463502553) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 1404949045 + ... + 1404949865.

It is an arithmetic number, because the mean of its divisors is an integer number (6773470704).

Almost surely, 2^{1153463502555} is an apocalyptic number.

1153463502555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1153463502555 is an abundant number, since it is smaller than the sum of its proper divisors (1447549247781).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1153463502555 is a wasteful number, since it uses less digits than its factorization.

1153463502555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089 (or 1077 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 45.

The spelling of 1153463502555 in words is "one trillion, one hundred fifty-three billion, four hundred sixty-three million, five hundred two thousand, five hundred fifty-five".