51110140451442 has 16 divisors (see below), whose sum is σ = 102220790184480. Its totient is φ = 17036628603552.

The previous prime is 51110140451437. The next prime is 51110140451507. The reversal of 51110140451442 is 24415404101115.

It is a super-2 number, since 2×51110140451442² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19909192 + ... + 22329267.

It is an arithmetic number, because the mean of its divisors is an integer number (6388799386530).

Almost surely, 2^{51110140451442} is an apocalyptic number.

51110140451442 is an abundant number, since it is smaller than the sum of its proper divisors (51110649733038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51110140451442 is a wasteful number, since it uses less digits than its factorization.

51110140451442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42440137.

The product of its (nonzero) digits is 12800, while the sum is 33.

Adding to 51110140451442 its reverse (24415404101115), we get a palindrome (75525544552557).

The spelling of 51110140451442 in words is "fifty-one trillion, one hundred ten billion, one hundred forty million, four hundred fifty-one thousand, four hundred forty-two".