1194811274490 has 32 divisors (see below), whose sum is σ = 2875534680960. Its totient is φ = 317728826304.

The previous prime is 1194811274477. The next prime is 1194811274491. The reversal of 1194811274490 is 944721184911.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1194811274491) 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 15 ways as a sum of consecutive naturals, for example, 55458649 + ... + 55480188.

It is an arithmetic number, because the mean of its divisors is an integer number (89860458780).

Almost surely, 2^{1194811274490} is an apocalyptic number.

1194811274490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1194811274490 is an abundant number, since it is smaller than the sum of its proper divisors (1680723406470).

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

1194811274490 is a wasteful number, since it uses less digits than its factorization.

1194811274490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110939206.

The product of its (nonzero) digits is 580608, while the sum is 51.

The spelling of 1194811274490 in words is "one trillion, one hundred ninety-four billion, eight hundred eleven million, two hundred seventy-four thousand, four hundred ninety".