1163409540155 has 16 divisors (see below), whose sum is σ = 1503784341504. Its totient is φ = 861543107040.

The previous prime is 1163409540133. The next prime is 1163409540233. The reversal of 1163409540155 is 5510459043611.

It is a happy number.

It is not a de Polignac number, because 1163409540155 - 2³² = 1159114572859 is a prime.

It is a super-3 number, since 3×1163409540155³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163167479 + ... + 163174608.

It is an arithmetic number, because the mean of its divisors is an integer number (93986521344).

Almost surely, 2^{1163409540155} is an apocalyptic number.

1163409540155 is a deficient number, since it is larger than the sum of its proper divisors (340374801349).

1163409540155 is a wasteful number, since it uses less digits than its factorization.

1163409540155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326342146.

The product of its (nonzero) digits is 324000, while the sum is 44.

The spelling of 1163409540155 in words is "one trillion, one hundred sixty-three billion, four hundred nine million, five hundred forty thousand, one hundred fifty-five".