51201010135 has 16 divisors (see below), whose sum is σ = 68291436960. Its totient is φ = 36534509440.

The previous prime is 51201010123. The next prime is 51201010141. The reversal of 51201010135 is 53101010215.

It is not a de Polignac number, because 51201010135 - 2⁹ = 51201009623 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8779420 + ... + 8785249.

It is an arithmetic number, because the mean of its divisors is an integer number (4268214810).

Almost surely, 2^51201010135 is an apocalyptic number.

51201010135 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51201010135 is a deficient number, since it is larger than the sum of its proper divisors (17090426825).

51201010135 is a wasteful number, since it uses less digits than its factorization.

51201010135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17564738.

The product of its (nonzero) digits is 150, while the sum is 19.

The spelling of 51201010135 in words is "fifty-one billion, two hundred one million, ten thousand, one hundred thirty-five".