1220554325045 has 8 divisors (see below), whose sum is σ = 1597816571040. Its totient is φ = 887675872720.

The previous prime is 1220554325033. The next prime is 1220554325059. The reversal of 1220554325045 is 5405234550221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1220554325045 - 2²² = 1220550130741 is a prime.

It is a congruent number.

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, 11095948355 + ... + 11095948464.

It is an arithmetic number, because the mean of its divisors is an integer number (199727071380).

Almost surely, 2^{1220554325045} is an apocalyptic number.

It is an amenable number.

1220554325045 is a deficient number, since it is larger than the sum of its proper divisors (377262245995).

1220554325045 is a wasteful number, since it uses less digits than its factorization.

1220554325045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22191896835.

The product of its (nonzero) digits is 240000, while the sum is 38.

Adding to 1220554325045 its reverse (5405234550221), we get a palindrome (6625788875266).

The spelling of 1220554325045 in words is "one trillion, two hundred twenty billion, five hundred fifty-four million, three hundred twenty-five thousand, forty-five".