1215103050456 has 32 divisors (see below), whose sum is σ = 3039929088000. Its totient is φ = 404744821920.

The previous prime is 1215103050449. The next prime is 1215103050457. The reversal of 1215103050456 is 6540503015121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1215103050457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18061240 + ... + 18128391.

It is an arithmetic number, because the mean of its divisors is an integer number (94997784000).

Almost surely, 2^{1215103050456} is an apocalyptic number.

It is an amenable number.

1215103050456 is an abundant number, since it is smaller than the sum of its proper divisors (1824826037544).

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

1215103050456 is a wasteful number, since it uses less digits than its factorization.

1215103050456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36191039 (or 36191035 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

Adding to 1215103050456 its reverse (6540503015121), we get a palindrome (7755606065577).

The spelling of 1215103050456 in words is "one trillion, two hundred fifteen billion, one hundred three million, fifty thousand, four hundred fifty-six".