1121690151800 has 48 divisors (see below), whose sum is σ = 2608834281360. Its totient is φ = 448520417280.

The previous prime is 1121690151781. The next prime is 1121690151811. The reversal of 1121690151800 is 81510961211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 393929 + ... + 1548728.

It is an arithmetic number, because the mean of its divisors is an integer number (54350714195).

Almost surely, 2^{1121690151800} is an apocalyptic number.

1121690151800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121690151800 is an abundant number, since it is smaller than the sum of its proper divisors (1487144129560).

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

1121690151800 is a wasteful number, since it uses less digits than its factorization.

1121690151800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945560 (or 1945551 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 35.

The spelling of 1121690151800 in words is "one trillion, one hundred twenty-one billion, six hundred ninety million, one hundred fifty-one thousand, eight hundred".