15534514002 has 48 divisors (see below), whose sum is σ = 36170275680. Its totient is φ = 4434901632.

The previous prime is 15534513991. The next prime is 15534514003. The reversal of 15534514002 is 20041543551.

It is a super-2 number, since 2×15534514002² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15534514003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 360949 + ... + 401687.

It is an arithmetic number, because the mean of its divisors is an integer number (753547410).

Almost surely, 2^15534514002 is an apocalyptic number.

15534514002 is an abundant number, since it is smaller than the sum of its proper divisors (20635761678).

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

15534514002 is a wasteful number, since it uses less digits than its factorization.

15534514002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42055 (or 42048 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 15534514002 in words is "fifteen billion, five hundred thirty-four million, five hundred fourteen thousand, two".