2153311405251 has 8 divisors (see below), whose sum is σ = 2871644740944. Its totient is φ = 1435259503200.

The previous prime is 2153311405249. The next prime is 2153311405291. The reversal of 2153311405251 is 1525041133512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2153311405251 - 2¹ = 2153311405249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2153311405291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70340556 + ... + 70371161.

It is an arithmetic number, because the mean of its divisors is an integer number (358955592618).

Almost surely, 2^{2153311405251} is an apocalyptic number.

2153311405251 is a deficient number, since it is larger than the sum of its proper divisors (718333335693).

2153311405251 is a wasteful number, since it uses less digits than its factorization.

2153311405251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140716821.

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

Adding to 2153311405251 its reverse (1525041133512), we get a palindrome (3678352538763).

The spelling of 2153311405251 in words is "two trillion, one hundred fifty-three billion, three hundred eleven million, four hundred five thousand, two hundred fifty-one".