51101010010 has 8 divisors (see below), whose sum is σ = 91981818036. Its totient is φ = 20440404000.

The previous prime is 51101009963. The next prime is 51101010011. The reversal of 51101010010 is 1001010115.

It can be written as a sum of positive squares in 2 ways, for example, as 50998737241 + 102272769 = 225829^2 + 10113^2 .

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

It is a super-2 number, since 2×51101010010² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 5110101001 = 51101010010 / (5 + 1 + 1 + 0 + 1 + 0 + 1 + 0 + 0 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (51101010011) 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, 2555050491 + ... + 2555050510.

Almost surely, 2^51101010010 is an apocalyptic number.

51101010010 is a deficient number, since it is larger than the sum of its proper divisors (40880808026).

51101010010 is a wasteful number, since it uses less digits than its factorization.

51101010010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5110101008.

The product of its (nonzero) digits is 5, while the sum is 10.

Adding to 51101010010 its reverse (1001010115), we get a palindrome (52102020125).

The spelling of 51101010010 in words is "fifty-one billion, one hundred one million, ten thousand, ten".