15490750122 has 64 divisors (see below), whose sum is σ = 36423888000. Its totient is φ = 4866407424.

The previous prime is 15490750097. The next prime is 15490750123. The reversal of 15490750122 is 22105709451.

15490750122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (15490750123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158904 + ... + 237132.

It is an arithmetic number, because the mean of its divisors is an integer number (569123250).

Almost surely, 2^15490750122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15490750122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18211944000).

15490750122 is an abundant number, since it is smaller than the sum of its proper divisors (20933137878).

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

15490750122 is a wasteful number, since it uses less digits than its factorization.

15490750122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78452 (or 78446 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 15490750122 in words is "fifteen billion, four hundred ninety million, seven hundred fifty thousand, one hundred twenty-two".