1051431225045 has 16 divisors (see below), whose sum is σ = 1689510094272. Its totient is φ = 558356608640.

The previous prime is 1051431225041. The next prime is 1051431225071. The reversal of 1051431225045 is 5405221341501.

It is not a de Polignac number, because 1051431225045 - 2² = 1051431225041 is a prime.

It is a super-2 number, since 2×1051431225045² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1051431224997 and 1051431225015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051431225041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150415851 + ... + 150422840.

It is an arithmetic number, because the mean of its divisors is an integer number (105594380892).

Almost surely, 2^{1051431225045} is an apocalyptic number.

1051431225045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1051431225045 is a deficient number, since it is larger than the sum of its proper divisors (638078869227).

1051431225045 is a wasteful number, since it uses less digits than its factorization.

1051431225045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300838932.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 1051431225045 its reverse (5405221341501), we get a palindrome (6456652566546).

The spelling of 1051431225045 in words is "one trillion, fifty-one billion, four hundred thirty-one million, two hundred twenty-five thousand, forty-five".