1151500241 has 4 divisors (see below), whose sum is σ = 1151569392. Its totient is φ = 1151431092.

The previous prime is 1151500201. The next prime is 1151500243. The reversal of 1151500241 is 1420051511.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1151500241 - 2¹⁴ = 1151483857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151500243) 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, 7346 + ... + 48548.

It is an arithmetic number, because the mean of its divisors is an integer number (287892348).

Almost surely, 2^1151500241 is an apocalyptic number.

It is an amenable number.

1151500241 is a deficient number, since it is larger than the sum of its proper divisors (69151).

1151500241 is an equidigital number, since it uses as much as digits as its factorization.

1151500241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69150.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 1151500241 is about 33933.7625529501. The cubic root of 1151500241 is about 1048.1449455840.

Adding to 1151500241 its reverse (1420051511), we get a palindrome (2571551752).

The spelling of 1151500241 in words is "one billion, one hundred fifty-one million, five hundred thousand, two hundred forty-one".