1129453723512 has 48 divisors (see below), whose sum is σ = 3059248051080. Its totient is φ = 376446312000.

The previous prime is 1129453723499. The next prime is 1129453723529. The reversal of 1129453723512 is 2153273549211.

1129453723512 is a `hidden beast` number, since 1 + 1 + 2 + 94 + 537 + 23 + 5 + 1 + 2 = 666.

It is a super-2 number, since 2×1129453723512² (a number of 25 digits) contains 22 as substring.

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, 79314 + ... + 1505057.

Almost surely, 2^{1129453723512} is an apocalyptic number.

1129453723512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1129453723512 is an abundant number, since it is smaller than the sum of its proper divisors (1929794327568).

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

1129453723512 is a wasteful number, since it uses less digits than its factorization.

1129453723512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594284 (or 1594277 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The spelling of 1129453723512 in words is "one trillion, one hundred twenty-nine billion, four hundred fifty-three million, seven hundred twenty-three thousand, five hundred twelve".