1541125500251 has 4 divisors (see below), whose sum is σ = 1546854591600. Its totient is φ = 1535396408904.

The previous prime is 1541125500223. The next prime is 1541125500253. The reversal of 1541125500251 is 1520055211451.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1541125500251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1541125500253) 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, 2864545271 + ... + 2864545808.

It is an arithmetic number, because the mean of its divisors is an integer number (386713647900).

Almost surely, 2^{1541125500251} is an apocalyptic number.

1541125500251 is a deficient number, since it is larger than the sum of its proper divisors (5729091349).

1541125500251 is an equidigital number, since it uses as much as digits as its factorization.

1541125500251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5729091348.

The product of its (nonzero) digits is 10000, while the sum is 32.

The spelling of 1541125500251 in words is "one trillion, five hundred forty-one billion, one hundred twenty-five million, five hundred thousand, two hundred fifty-one".