1161503015441 has 8 divisors (see below), whose sum is σ = 1163393770560. Its totient is φ = 1159613124048.

The previous prime is 1161503015437. The next prime is 1161503015531. The reversal of 1161503015441 is 1445103051611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1161503015441 - 2² = 1161503015437 is a prime.

It is a super-3 number, since 3×1161503015441³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1161503015398 and 1161503015407.

It is not an unprimeable number, because it can be changed into a prime (1161503011441) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2503580 + ... + 2931026.

It is an arithmetic number, because the mean of its divisors is an integer number (145424221320).

Almost surely, 2^{1161503015441} is an apocalyptic number.

It is an amenable number.

1161503015441 is a deficient number, since it is larger than the sum of its proper divisors (1890755119).

1161503015441 is an equidigital number, since it uses as much as digits as its factorization.

1161503015441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431863.

The product of its (nonzero) digits is 7200, while the sum is 32.

The spelling of 1161503015441 in words is "one trillion, one hundred sixty-one billion, five hundred three million, fifteen thousand, four hundred forty-one".