51051100061001 has 8 divisors (see below), whose sum is σ = 68068295547264. Its totient is φ = 34033985641040.

The previous prime is 51051100060999. The next prime is 51051100061023. The reversal of 51051100061001 is 10016000115015.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51051100061001 - 2¹ = 51051100060999 is a prime.

It is a super-2 number, since 2×51051100061001² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51051100061041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18781626 + ... + 21327251.

It is an arithmetic number, because the mean of its divisors is an integer number (8508536943408).

Almost surely, 2^{51051100061001} is an apocalyptic number.

It is an amenable number.

51051100061001 is a deficient number, since it is larger than the sum of its proper divisors (17017195486263).

51051100061001 is a wasteful number, since it uses less digits than its factorization.

51051100061001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40533151.

The product of its (nonzero) digits is 150, while the sum is 21.

Adding to 51051100061001 its reverse (10016000115015), we get a palindrome (61067100176016).

The spelling of 51051100061001 in words is "fifty-one trillion, fifty-one billion, one hundred million, sixty-one thousand, one".