2153354052251 has 8 divisors (see below), whose sum is σ = 2179839929808. Its totient is φ = 2126969460000.

The previous prime is 2153354052247. The next prime is 2153354052271. The reversal of 2153354052251 is 1522504533512.

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

It is a cyclic number.

It is not a de Polignac number, because 2153354052251 - 2² = 2153354052247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2153354052271) 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, 25278545 + ... + 25363586.

It is an arithmetic number, because the mean of its divisors is an integer number (272479991226).

Almost surely, 2^{2153354052251} is an apocalyptic number.

2153354052251 is a deficient number, since it is larger than the sum of its proper divisors (26485877557).

2153354052251 is a wasteful number, since it uses less digits than its factorization.

2153354052251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50642653.

The product of its (nonzero) digits is 180000, while the sum is 38.

Adding to 2153354052251 its reverse (1522504533512), we get a palindrome (3675858585763).

The spelling of 2153354052251 in words is "two trillion, one hundred fifty-three billion, three hundred fifty-four million, fifty-two thousand, two hundred fifty-one".