2153542453512 has 16 divisors (see below), whose sum is σ = 5383856133840. Its totient is φ = 717847484496.

The previous prime is 2153542453507. The next prime is 2153542453519.

2153542453512 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2153542453512² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2153542453519) 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, 44865467758 + ... + 44865467805.

It is an arithmetic number, because the mean of its divisors is an integer number (336491008365).

Almost surely, 2^{2153542453512} is an apocalyptic number.

It is an amenable number.

2153542453512 is an abundant number, since it is smaller than the sum of its proper divisors (3230313680328).

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

2153542453512 is a wasteful number, since it uses less digits than its factorization.

2153542453512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89730935572 (or 89730935568 counting only the distinct ones).

The product of its digits is 720000, while the sum is 42.

The spelling of 2153542453512 in words is "two trillion, one hundred fifty-three billion, five hundred forty-two million, four hundred fifty-three thousand, five hundred twelve".