1121132670408 has 48 divisors (see below), whose sum is σ = 3118465881180. Its totient is φ = 363610594944.

The previous prime is 1121132670401. The next prime is 1121132670473. The reversal of 1121132670408 is 8040762311211.

1121132670408 is a `hidden beast` number, since 1 + 1 + 211 + 32 + 6 + 7 + 0 + 408 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 899534639844 + 221598030564 = 948438^2 + 470742^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1121132670401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210420135 + ... + 210425462.

Almost surely, 2^{1121132670408} is an apocalyptic number.

1121132670408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1121132670408 is an abundant number, since it is smaller than the sum of its proper divisors (1997333210772).

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

1121132670408 is a wasteful number, since it uses less digits than its factorization.

1121132670408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420845646 (or 420845639 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

Adding to 1121132670408 its reverse (8040762311211), we get a palindrome (9161894981619).

The spelling of 1121132670408 in words is "one trillion, one hundred twenty-one billion, one hundred thirty-two million, six hundred seventy thousand, four hundred eight".