2153454255320 has 64 divisors (see below), whose sum is σ = 5097596868000. Its totient is φ = 817659601920.

The previous prime is 2153454255307. The next prime is 2153454255371. The reversal of 2153454255320 is 235524543512.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17683670 + ... + 17805029.

Almost surely, 2^{2153454255320} is an apocalyptic number.

2153454255320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2153454255320 is an abundant number, since it is smaller than the sum of its proper divisors (2944142612680).

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

2153454255320 is a wasteful number, since it uses less digits than its factorization.

2153454255320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35488788 (or 35488784 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 41.

Adding to 2153454255320 its reverse (235524543512), we get a palindrome (2388978798832).

The spelling of 2153454255320 in words is "two trillion, one hundred fifty-three billion, four hundred fifty-four million, two hundred fifty-five thousand, three hundred twenty".