51101606651161 has 16 divisors (see below), whose sum is σ = 60930533933568. Its totient is φ = 42312870777600.

The previous prime is 51101606651153. The next prime is 51101606651171. The reversal of 51101606651161 is 16115660610115.

It is a cyclic number.

It is not a de Polignac number, because 51101606651161 - 2³ = 51101606651153 is a prime.

It is a super-2 number, since 2×51101606651161² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51101606651111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4407584910 + ... + 4407596503.

It is an arithmetic number, because the mean of its divisors is an integer number (3808158370848).

Almost surely, 2^{51101606651161} is an apocalyptic number.

It is an amenable number.

51101606651161 is a deficient number, since it is larger than the sum of its proper divisors (9828927282407).

51101606651161 is a wasteful number, since it uses less digits than its factorization.

51101606651161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8815181472.

The product of its (nonzero) digits is 32400, while the sum is 40.

The spelling of 51101606651161 in words is "fifty-one trillion, one hundred one billion, six hundred six million, six hundred fifty-one thousand, one hundred sixty-one".