51155601062 has 4 divisors (see below), whose sum is σ = 76733401596. Its totient is φ = 25577800530.

The previous prime is 51155601043. The next prime is 51155601089. The reversal of 51155601062 is 26010655115.

51155601062 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 an emirpimes, since its reverse is a distinct semiprime: 26010655115 = 5 ⋅5202131023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12788900264 + ... + 12788900267.

It is an arithmetic number, because the mean of its divisors is an integer number (19183350399).

Almost surely, 2^51155601062 is an apocalyptic number.

51155601062 is a deficient number, since it is larger than the sum of its proper divisors (25577800534).

51155601062 is a wasteful number, since it uses less digits than its factorization.

51155601062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25577800533.

The product of its (nonzero) digits is 9000, while the sum is 32.

The spelling of 51155601062 in words is "fifty-one billion, one hundred fifty-five million, six hundred one thousand, sixty-two".