15215084486772 has 12 divisors (see below), whose sum is σ = 35501863802496. Its totient is φ = 5071694828920.

The previous prime is 15215084486761. The next prime is 15215084486807. The reversal of 15215084486772 is 27768448051251.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633961853604 + ... + 633961853627.

It is an arithmetic number, because the mean of its divisors is an integer number (2958488650208).

Almost surely, 2^{15215084486772} is an apocalyptic number.

15215084486772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15215084486772 is an abundant number, since it is smaller than the sum of its proper divisors (20286779315724).

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

15215084486772 is a wasteful number, since it uses less digits than its factorization.

15215084486772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267923707238 (or 1267923707236 counting only the distinct ones).

The product of its (nonzero) digits is 30105600, while the sum is 60.

The spelling of 15215084486772 in words is "fifteen trillion, two hundred fifteen billion, eighty-four million, four hundred eighty-six thousand, seven hundred seventy-two".