1091167049024 has 224 divisors, whose sum is σ = 2447289040896. Its totient is φ = 479352913920.

The previous prime is 1091167048991. The next prime is 1091167049029. The reversal of 1091167049024 is 4209407611901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1091167049029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 614049224 + ... + 614051000.

It is an arithmetic number, because the mean of its divisors is an integer number (10925397504).

Almost surely, 2^{1091167049024} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1091167049024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1223644520448).

1091167049024 is an abundant number, since it is smaller than the sum of its proper divisors (1356121991872).

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

1091167049024 is a wasteful number, since it uses less digits than its factorization.

1091167049024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2273 (or 2263 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 1091167049024 in words is "one trillion, ninety-one billion, one hundred sixty-seven million, forty-nine thousand, twenty-four".