1145402121152 has 56 divisors (see below), whose sum is σ = 2371930045056. Its totient is φ = 547754670848.

The previous prime is 1145402121131. The next prime is 1145402121163. The reversal of 1145402121152 is 2511212045411.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 22706903 + ... + 22757289.

Almost surely, 2^{1145402121152} is an apocalyptic number.

It is an amenable number.

1145402121152 is an abundant number, since it is smaller than the sum of its proper divisors (1226527923904).

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

1145402121152 is a wasteful number, since it uses less digits than its factorization.

1145402121152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65865 (or 65855 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 29.

Adding to 1145402121152 its reverse (2511212045411), we get a palindrome (3656614166563).

The spelling of 1145402121152 in words is "one trillion, one hundred forty-five billion, four hundred two million, one hundred twenty-one thousand, one hundred fifty-two".