1133551420155 has 288 divisors, whose sum is σ = 2505453455232. Its totient is φ = 464026337280.

The previous prime is 1133551420129. The next prime is 1133551420163. The reversal of 1133551420155 is 5510241553311.

1133551420155 is a `hidden beast` number, since 1 + 1 + 3 + 35 + 51 + 420 + 155 = 666.

It is not a de Polignac number, because 1133551420155 - 2¹⁵ = 1133551387387 is a prime.

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 287 ways as a sum of consecutive naturals, for example, 950168239 + ... + 950169431.

It is an arithmetic number, because the mean of its divisors is an integer number (8699491164).

Almost surely, 2^{1133551420155} is an apocalyptic number.

1133551420155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1133551420155 is an abundant number, since it is smaller than the sum of its proper divisors (1371902035077).

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

1133551420155 is a wasteful number, since it uses less digits than its factorization.

1133551420155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587 (or 1573 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

Adding to 1133551420155 its reverse (5510241553311), we get a palindrome (6643792973466).

The spelling of 1133551420155 in words is "one trillion, one hundred thirty-three billion, five hundred fifty-one million, four hundred twenty thousand, one hundred fifty-five".