15241220000 has 60 divisors (see below), whose sum is σ = 37495736586. Its totient is φ = 6096480000.

The previous prime is 15241219991. The next prime is 15241220023. The reversal of 15241220000 is 2214251.

It can be written as a sum of positive squares in 5 ways, for example, as 22543504 + 15218676496 = 4748^2 + 123364^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 361031 + ... + 401030.

Almost surely, 2^15241220000 is an apocalyptic number.

15241220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15241220000 is an abundant number, since it is smaller than the sum of its proper divisors (22254516586).

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

15241220000 is an frugal number, since it uses more digits than its factorization.

15241220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762091 (or 762068 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 15241220000 its reverse (2214251), we get a palindrome (15243434251).

The spelling of 15241220000 in words is "fifteen billion, two hundred forty-one million, two hundred twenty thousand".