51102105411 has 16 divisors (see below), whose sum is σ = 78808068864. Its totient is φ = 28849380384.

The previous prime is 51102105409. The next prime is 51102105419. The reversal of 51102105411 is 11450120115.

It is not a de Polignac number, because 51102105411 - 2¹ = 51102105409 is a prime.

It is a super-2 number, since 2×51102105411² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (51102105419) 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, 14657496 + ... + 14660981.

It is an arithmetic number, because the mean of its divisors is an integer number (4925504304).

Almost surely, 2^51102105411 is an apocalyptic number.

51102105411 is a deficient number, since it is larger than the sum of its proper divisors (27705963453).

51102105411 is a wasteful number, since it uses less digits than its factorization.

51102105411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29318570.

The product of its (nonzero) digits is 200, while the sum is 21.

Adding to 51102105411 its reverse (11450120115), we get a palindrome (62552225526).

The spelling of 51102105411 in words is "fifty-one billion, one hundred two million, one hundred five thousand, four hundred eleven".