1143778498122 has 32 divisors (see below), whose sum is σ = 2515938308352. Its totient is φ = 344443932864.

The previous prime is 1143778498069. The next prime is 1143778498129. The reversal of 1143778498122 is 2218948773411.

It is not an unprimeable number, because it can be changed into a prime (1143778498129) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 155994493 + ... + 156001824.

It is an arithmetic number, because the mean of its divisors is an integer number (78623072136).

Almost surely, 2^{1143778498122} is an apocalyptic number.

1143778498122 is an abundant number, since it is smaller than the sum of its proper divisors (1372159810230).

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

1143778498122 is a wasteful number, since it uses less digits than its factorization.

1143778498122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311996382.

The product of its digits is 5419008, while the sum is 57.

The spelling of 1143778498122 in words is "one trillion, one hundred forty-three billion, seven hundred seventy-eight million, four hundred ninety-eight thousand, one hundred twenty-two".