1131101494 has 24 divisors (see below), whose sum is σ = 1819269720. Its totient is φ = 527279616.

The previous prime is 1131101459. The next prime is 1131101501. The reversal of 1131101494 is 4941011311.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52702 + ... + 70990.

It is an arithmetic number, because the mean of its divisors is an integer number (75802905).

Almost surely, 2^1131101494 is an apocalyptic number.

1131101494 is a deficient number, since it is larger than the sum of its proper divisors (688168226).

1131101494 is a wasteful number, since it uses less digits than its factorization.

1131101494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18432 (or 18415 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 1131101494 is about 33631.8523724162. The cubic root of 1131101494 is about 1041.9187623862.

The spelling of 1131101494 in words is "one billion, one hundred thirty-one million, one hundred one thousand, four hundred ninety-four".