51045154044530 has 16 divisors (see below), whose sum is σ = 92828506944600. Its totient is φ = 20207566136832.

The previous prime is 51045154044461. The next prime is 51045154044583. The reversal of 51045154044530 is 3544045154015.

It can be written as a sum of positive squares in 4 ways, for example, as 44064942488449 + 6980211556081 = 6638143^2 + 2642009^2 .

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, 26311934105 + ... + 26311936044.

Almost surely, 2^{51045154044530} is an apocalyptic number.

51045154044530 is a deficient number, since it is larger than the sum of its proper divisors (41783352900070).

51045154044530 is a wasteful number, since it uses less digits than its factorization.

51045154044530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52623870253.

The product of its (nonzero) digits is 480000, while the sum is 41.

Adding to 51045154044530 its reverse (3544045154015), we get a palindrome (54589199198545).

The spelling of 51045154044530 in words is "fifty-one trillion, forty-five billion, one hundred fifty-four million, forty-four thousand, five hundred thirty".