15541123230 has 48 divisors (see below), whose sum is σ = 42163748640. Its totient is φ = 3964112064.

The previous prime is 15541123219. The next prime is 15541123277. The reversal of 15541123230 is 3232114551.

15541123230 is a `hidden beast` number, since 15 + 5 + 411 + 2 + 3 + 230 = 666.

It is a super-2 number, since 2×15541123230² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15541123194 and 15541123203.

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 23 ways as a sum of consecutive naturals, for example, 3751825 + ... + 3755964.

It is an arithmetic number, because the mean of its divisors is an integer number (878411430).

Almost surely, 2^15541123230 is an apocalyptic number.

15541123230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15541123230 is an abundant number, since it is smaller than the sum of its proper divisors (26622625410).

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

15541123230 is a wasteful number, since it uses less digits than its factorization.

15541123230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7507825 (or 7507822 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 15541123230 its reverse (3232114551), we get a palindrome (18773237781).

The spelling of 15541123230 in words is "fifteen billion, five hundred forty-one million, one hundred twenty-three thousand, two hundred thirty".