15795490049976 has 512 divisors, whose sum is σ = 53668446289920. Its totient is φ = 3755173478400.

The previous prime is 15795490049917. The next prime is 15795490050013. The reversal of 15795490049976 is 67994009459751.

It is a junction number, because it is equal to n+sod(n) for n = 15795490049898 and 15795490049907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 111573156 + ... + 111714636.

It is an arithmetic number, because the mean of its divisors is an integer number (104821184160).

Almost surely, 2^{15795490049976} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15795490049976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26834223144960).

15795490049976 is an abundant number, since it is smaller than the sum of its proper divisors (37872956239944).

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

15795490049976 is a wasteful number, since it uses less digits than its factorization.

15795490049976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141655 (or 141651 counting only the distinct ones).

The product of its (nonzero) digits is 771573600, while the sum is 75.

The spelling of 15795490049976 in words is "fifteen trillion, seven hundred ninety-five billion, four hundred ninety million, forty-nine thousand, nine hundred seventy-six".