1161108637490 has 32 divisors (see below), whose sum is σ = 2101583822976. Its totient is φ = 461870023680.

The previous prime is 1161108637477. The next prime is 1161108637583. The reversal of 1161108637490 is 947368011611.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5302475 + ... + 5517105.

It is an arithmetic number, because the mean of its divisors is an integer number (65674494468).

Almost surely, 2^{1161108637490} is an apocalyptic number.

1161108637490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1161108637490 is a deficient number, since it is larger than the sum of its proper divisors (940475185486).

1161108637490 is a wasteful number, since it uses less digits than its factorization.

1161108637490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217634.

The product of its (nonzero) digits is 217728, while the sum is 47.

The spelling of 1161108637490 in words is "one trillion, one hundred sixty-one billion, one hundred eight million, six hundred thirty-seven thousand, four hundred ninety".