51401453315253 has 4 divisors (see below), whose sum is σ = 68535271087008. Its totient is φ = 34267635543500.

The previous prime is 51401453315243. The next prime is 51401453315263. The reversal of 51401453315253 is 35251335410415.

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 an interprime number because it is at equal distance from previous prime (51401453315243) and next prime (51401453315263).

It is a cyclic number.

It is not a de Polignac number, because 51401453315253 - 2⁸ = 51401453314997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51401453315243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8566908885873 + ... + 8566908885878.

It is an arithmetic number, because the mean of its divisors is an integer number (17133817771752).

Almost surely, 2^{51401453315253} is an apocalyptic number.

It is an amenable number.

51401453315253 is a deficient number, since it is larger than the sum of its proper divisors (17133817771755).

51401453315253 is a wasteful number, since it uses less digits than its factorization.

51401453315253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17133817771754.

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

Adding to 51401453315253 its reverse (35251335410415), we get a palindrome (86652788725668).

The spelling of 51401453315253 in words is "fifty-one trillion, four hundred one billion, four hundred fifty-three million, three hundred fifteen thousand, two hundred fifty-three".