45251181780122 has 16 divisors (see below), whose sum is σ = 69921445255200. Its totient is φ = 21951096134352.

The previous prime is 45251181780097. The next prime is 45251181780143. The reversal of 45251181780122 is 22108718115254.

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, 1765680248 + ... + 1765705875.

It is an arithmetic number, because the mean of its divisors is an integer number (4370090328450).

Almost surely, 2^{45251181780122} is an apocalyptic number.

45251181780122 is a deficient number, since it is larger than the sum of its proper divisors (24670263475078).

45251181780122 is a wasteful number, since it uses less digits than its factorization.

45251181780122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3531386317.

The product of its (nonzero) digits is 358400, while the sum is 47.

Adding to 45251181780122 its reverse (22108718115254), we get a palindrome (67359899895376).

The spelling of 45251181780122 in words is "forty-five trillion, two hundred fifty-one billion, one hundred eighty-one million, seven hundred eighty thousand, one hundred twenty-two".