2153433514551 has 24 divisors (see below), whose sum is σ = 3305799742464. Its totient is φ = 1236421149840.

The previous prime is 2153433514499. The next prime is 2153433514601. The reversal of 2153433514551 is 1554153343512.

It is not a de Polignac number, because 2153433514551 - 2²¹ = 2153431417399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153433514151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90369751 + ... + 90393576.

It is an arithmetic number, because the mean of its divisors is an integer number (137741655936).

Almost surely, 2^{2153433514551} is an apocalyptic number.

2153433514551 is a deficient number, since it is larger than the sum of its proper divisors (1152366227913).

2153433514551 is a wasteful number, since it uses less digits than its factorization.

2153433514551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180763379 (or 180763360 counting only the distinct ones).

The product of its digits is 540000, while the sum is 42.

The spelling of 2153433514551 in words is "two trillion, one hundred fifty-three billion, four hundred thirty-three million, five hundred fourteen thousand, five hundred fifty-one".