1153391380155 has 192 divisors, whose sum is σ = 2440069632000. Its totient is φ = 522406765440.

The previous prime is 1153391380123. The next prime is 1153391380261. The reversal of 1153391380155 is 5510831933511.

1153391380155 is a `hidden beast` number, since 1 + 1 + 5 + 33 + 91 + 380 + 155 = 666.

It is not a de Polignac number, because 1153391380155 - 2⁵ = 1153391380123 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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 1153391380155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 45412510 + ... + 45437900.

It is an arithmetic number, because the mean of its divisors is an integer number (12708696000).

Almost surely, 2^{1153391380155} is an apocalyptic number.

1153391380155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1153391380155 is an abundant number, since it is smaller than the sum of its proper divisors (1286678251845).

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

1153391380155 is an equidigital number, since it uses as much as digits as its factorization.

1153391380155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25541 (or 25515 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 45.

The spelling of 1153391380155 in words is "one trillion, one hundred fifty-three billion, three hundred ninety-one million, three hundred eighty thousand, one hundred fifty-five".