15555413000 has 32 divisors (see below), whose sum is σ = 36399668760. Its totient is φ = 6222164800.

The previous prime is 15555412987. The next prime is 15555413011. The reversal of 15555413000 is 31455551.

It can be written as a sum of positive squares in 4 ways, for example, as 3525271876 + 12030141124 = 59374^2 + 109682^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7776707 + ... + 7778706.

Almost surely, 2^15555413000 is an apocalyptic number.

15555413000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15555413000 is an abundant number, since it is smaller than the sum of its proper divisors (20844255760).

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

15555413000 is a wasteful number, since it uses less digits than its factorization.

15555413000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15555434 (or 15555420 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 29.

Adding to 15555413000 its reverse (31455551), we get a palindrome (15586868551).

The spelling of 15555413000 in words is "fifteen billion, five hundred fifty-five million, four hundred thirteen thousand".