51153221104001 has 4 divisors (see below), whose sum is σ = 51153879973632. Its totient is φ = 51152562234372.

The previous prime is 51153221103997. The next prime is 51153221104003. The reversal of 51153221104001 is 10040112235115.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51153221104001 - 2² = 51153221103997 is a prime.

It is a super-3 number, since 3×51153221104001³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51153221104003) 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, 329318345 + ... + 329473638.

It is an arithmetic number, because the mean of its divisors is an integer number (12788469993408).

Almost surely, 2^{51153221104001} is an apocalyptic number.

It is an amenable number.

51153221104001 is a deficient number, since it is larger than the sum of its proper divisors (658869631).

51153221104001 is an equidigital number, since it uses as much as digits as its factorization.

51153221104001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658869630.

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 51153221104001 its reverse (10040112235115), we get a palindrome (61193333339116).

The spelling of 51153221104001 in words is "fifty-one trillion, one hundred fifty-three billion, two hundred twenty-one million, one hundred four thousand, one".