1121165041403 has 16 divisors (see below), whose sum is σ = 1249172361216. Its totient is φ = 997507011840.

The previous prime is 1121165041393. The next prime is 1121165041487. The reversal of 1121165041403 is 3041405611211.

It is a cyclic number.

It is not a de Polignac number, because 1121165041403 - 2⁴ = 1121165041387 is a prime.

It is a super-2 number, since 2×1121165041403² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121165041103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14801675 + ... + 14877227.

It is an arithmetic number, because the mean of its divisors is an integer number (78073272576).

Almost surely, 2^{1121165041403} is an apocalyptic number.

1121165041403 is a deficient number, since it is larger than the sum of its proper divisors (128007319813).

1121165041403 is a wasteful number, since it uses less digits than its factorization.

1121165041403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104314.

The product of its (nonzero) digits is 2880, while the sum is 29.

The spelling of 1121165041403 in words is "one trillion, one hundred twenty-one billion, one hundred sixty-five million, forty-one thousand, four hundred three".