51074156401 has 4 divisors (see below), whose sum is σ = 51076739392. Its totient is φ = 51071573412.

The previous prime is 51074156351. The next prime is 51074156449. The reversal of 51074156401 is 10465147015.

51074156401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10465147015 = 5 ⋅2093029403.

It is a cyclic number.

It is not a de Polignac number, because 51074156401 - 2⁹ = 51074155889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51074154401) 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, 1261605 + ... + 1301458.

It is an arithmetic number, because the mean of its divisors is an integer number (12769184848).

Almost surely, 2^51074156401 is an apocalyptic number.

It is an amenable number.

51074156401 is a deficient number, since it is larger than the sum of its proper divisors (2582991).

51074156401 is a wasteful number, since it uses less digits than its factorization.

51074156401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2582990.

The product of its (nonzero) digits is 16800, while the sum is 34.

The spelling of 51074156401 in words is "fifty-one billion, seventy-four million, one hundred fifty-six thousand, four hundred one".