1145057521900 has 36 divisors (see below), whose sum is σ = 2496551052520. Its totient is φ = 455852275200.

The previous prime is 1145057521873. The next prime is 1145057521913. The reversal of 1145057521900 is 91257505411.

It is a super-2 number, since 2×1145057521900² (a number of 25 digits) contains 22 as substring.

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, 27112965 + ... + 27155164.

Almost surely, 2^{1145057521900} is an apocalyptic number.

1145057521900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1145057521900 is an abundant number, since it is smaller than the sum of its proper divisors (1351493530620).

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

1145057521900 is a wasteful number, since it uses less digits than its factorization.

1145057521900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54268354 (or 54268347 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 40.

The spelling of 1145057521900 in words is "one trillion, one hundred forty-five billion, fifty-seven million, five hundred twenty-one thousand, nine hundred".