1153103542512 has 20 divisors (see below), whose sum is σ = 2978850818280. Its totient is φ = 384367847488.

The previous prime is 1153103542511. The next prime is 1153103542519. The reversal of 1153103542512 is 2152453013511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153103542511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12011495187 + ... + 12011495282.

It is an arithmetic number, because the mean of its divisors is an integer number (148942540914).

Almost surely, 2^{1153103542512} is an apocalyptic number.

1153103542512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1153103542512 is an abundant number, since it is smaller than the sum of its proper divisors (1825747275768).

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

1153103542512 is a wasteful number, since it uses less digits than its factorization.

1153103542512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24022990480 (or 24022990474 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 1153103542512 in words is "one trillion, one hundred fifty-three billion, one hundred three million, five hundred forty-two thousand, five hundred twelve".