15120435004 has 6 divisors (see below), whose sum is σ = 26460761264. Its totient is φ = 7560217500.

The previous prime is 15120434957. The next prime is 15120435007. The reversal of 15120435004 is 40053402151.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 15120435004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15120435007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1890054372 + ... + 1890054379.

Almost surely, 2^15120435004 is an apocalyptic number.

It is an amenable number.

15120435004 is a deficient number, since it is larger than the sum of its proper divisors (11340326260).

15120435004 is a wasteful number, since it uses less digits than its factorization.

15120435004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3780108755 (or 3780108753 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 15120435004 its reverse (40053402151), we get a palindrome (55173837155).

The spelling of 15120435004 in words is "fifteen billion, one hundred twenty million, four hundred thirty-five thousand, four".