15542225502 has 16 divisors (see below), whose sum is σ = 31594032912. Its totient is φ = 5095811520.

The previous prime is 15542225497. The next prime is 15542225557. The reversal of 15542225502 is 20552224551.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 21232183 + ... + 21232914.

It is an arithmetic number, because the mean of its divisors is an integer number (1974627057).

Almost surely, 2^15542225502 is an apocalyptic number.

15542225502 is an abundant number, since it is smaller than the sum of its proper divisors (16051807410).

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

15542225502 is a wasteful number, since it uses less digits than its factorization.

15542225502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42465163.

The product of its (nonzero) digits is 40000, while the sum is 33.

The spelling of 15542225502 in words is "fifteen billion, five hundred forty-two million, two hundred twenty-five thousand, five hundred two".