15851225006 has 8 divisors (see below), whose sum is σ = 23781950544. Its totient is φ = 7923908160.

The previous prime is 15851224997. The next prime is 15851225021. The reversal of 15851225006 is 60052215851.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×15851225006² (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 in 3 ways as a sum of consecutive naturals, for example, 840515 + ... + 859166.

It is an arithmetic number, because the mean of its divisors is an integer number (2972743818).

Almost surely, 2^15851225006 is an apocalyptic number.

15851225006 is a deficient number, since it is larger than the sum of its proper divisors (7930725538).

15851225006 is a wasteful number, since it uses less digits than its factorization.

15851225006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704346.

The product of its (nonzero) digits is 24000, while the sum is 35.

The spelling of 15851225006 in words is "fifteen billion, eight hundred fifty-one million, two hundred twenty-five thousand, six".