1215125311404 has 48 divisors (see below), whose sum is σ = 2892698645760. Its totient is φ = 396861566400.

The previous prime is 1215125311373. The next prime is 1215125311409. The reversal of 1215125311404 is 4041135215121.

It is not an unprimeable number, because it can be changed into a prime (1215125311409) 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, 822672 + ... + 1762679.

It is an arithmetic number, because the mean of its divisors is an integer number (60264555120).

Almost surely, 2^{1215125311404} is an apocalyptic number.

It is an amenable number.

1215125311404 is an abundant number, since it is smaller than the sum of its proper divisors (1677573334356).

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

1215125311404 is a wasteful number, since it uses less digits than its factorization.

1215125311404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2586150 (or 2586148 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The spelling of 1215125311404 in words is "one trillion, two hundred fifteen billion, one hundred twenty-five million, three hundred eleven thousand, four hundred four".