1121628618358 has 8 divisors (see below), whose sum is σ = 1689987515328. Its totient is φ = 558299446584.

The previous prime is 1121628618301. The next prime is 1121628618367. The reversal of 1121628618358 is 8538168261211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1257430741 + ... + 1257431632.

It is an arithmetic number, because the mean of its divisors is an integer number (211248439416).

Almost surely, 2^{1121628618358} is an apocalyptic number.

1121628618358 is a deficient number, since it is larger than the sum of its proper divisors (568358896970).

1121628618358 is a wasteful number, since it uses less digits than its factorization.

1121628618358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514862598.

The product of its digits is 1105920, while the sum is 52.

The spelling of 1121628618358 in words is "one trillion, one hundred twenty-one billion, six hundred twenty-eight million, six hundred eighteen thousand, three hundred fifty-eight".