15855627950 has 48 divisors (see below), whose sum is σ = 29671181280. Its totient is φ = 6303707520.

The previous prime is 15855627901. The next prime is 15855627961. The reversal of 15855627950 is 5972655851.

It is a junction number, because it is equal to n+sod(n) for n = 15855627892 and 15855627901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11598167 + ... + 11599533.

It is an arithmetic number, because the mean of its divisors is an integer number (618149610).

Almost surely, 2^15855627950 is an apocalyptic number.

15855627950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15855627950 is a deficient number, since it is larger than the sum of its proper divisors (13815553330).

15855627950 is a wasteful number, since it uses less digits than its factorization.

15855627950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2621 (or 2616 counting only the distinct ones).

The product of its (nonzero) digits is 3780000, while the sum is 53.

The spelling of 15855627950 in words is "fifteen billion, eight hundred fifty-five million, six hundred twenty-seven thousand, nine hundred fifty".