15342315572 has 6 divisors (see below), whose sum is σ = 26849052258. Its totient is φ = 7671157784.

The previous prime is 15342315539. The next prime is 15342315581. The reversal of 15342315572 is 27551324351.

It can be written as a sum of positive squares in only one way, i.e., 14266869136 + 1075446436 = 119444^2 + 32794^2 .

It is a super-2 number, since 2×15342315572² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1917789443 + ... + 1917789450.

It is an arithmetic number, because the mean of its divisors is an integer number (4474842043).

Almost surely, 2^15342315572 is an apocalyptic number.

It is an amenable number.

15342315572 is a deficient number, since it is larger than the sum of its proper divisors (11506736686).

15342315572 is a wasteful number, since it uses less digits than its factorization.

15342315572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3835578897 (or 3835578895 counting only the distinct ones).

The product of its digits is 126000, while the sum is 38.

The spelling of 15342315572 in words is "fifteen billion, three hundred forty-two million, three hundred fifteen thousand, five hundred seventy-two".