1511200241 has 4 divisors (see below), whose sum is σ = 1525872192. Its totient is φ = 1496528292.

The previous prime is 1511200231. The next prime is 1511200247. The reversal of 1511200241 is 1420021151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1511200241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1511200247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7335821 + ... + 7336026.

It is an arithmetic number, because the mean of its divisors is an integer number (381468048).

Almost surely, 2^1511200241 is an apocalyptic number.

It is an amenable number.

1511200241 is a deficient number, since it is larger than the sum of its proper divisors (14671951).

1511200241 is a wasteful number, since it uses less digits than its factorization.

1511200241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14671950.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1511200241 is about 38874.1590391355. The cubic root of 1511200241 is about 1147.5563083739.

Adding to 1511200241 its reverse (1420021151), we get a palindrome (2931221392).

It can be divided in two parts, 15 and 11200241, that multiplied together give a triangular number (168003615 = T₁₈₃₃₀).

The spelling of 1511200241 in words is "one billion, five hundred eleven million, two hundred thousand, two hundred forty-one".