1541125500249 has 4 divisors (see below), whose sum is σ = 2054834000336. Its totient is φ = 1027417000164.

The previous prime is 1541125500223. The next prime is 1541125500253. The reversal of 1541125500249 is 9420055211451.

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 not a de Polignac number, because 1541125500249 - 2¹² = 1541125496153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1541125500289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256854250039 + ... + 256854250044.

It is an arithmetic number, because the mean of its divisors is an integer number (513708500084).

Almost surely, 2^{1541125500249} is an apocalyptic number.

It is an amenable number.

1541125500249 is a deficient number, since it is larger than the sum of its proper divisors (513708500087).

1541125500249 is an equidigital number, since it uses as much as digits as its factorization.

1541125500249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513708500086.

The product of its (nonzero) digits is 72000, while the sum is 39.

The spelling of 1541125500249 in words is "one trillion, five hundred forty-one billion, one hundred twenty-five million, five hundred thousand, two hundred forty-nine".