1541541671951 has 2 divisors, whose sum is σ = 1541541671952. Its totient is φ = 1541541671950.

The previous prime is 1541541671939. The next prime is 1541541671983. The reversal of 1541541671951 is 1591761451451.

It is a weak prime.

It is an emirp because it is prime and its reverse (1591761451451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1541541671951 - 2¹⁰ = 1541541670927 is a prime.

It is a super-2 number, since 2×1541541671951² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1541541671951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1541541671051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770770835975 + 770770835976.

It is an arithmetic number, because the mean of its divisors is an integer number (770770835976).

Almost surely, 2^{1541541671951} is an apocalyptic number.

1541541671951 is a deficient number, since it is larger than the sum of its proper divisors (1).

1541541671951 is an equidigital number, since it uses as much as digits as its factorization.

1541541671951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756000, while the sum is 50.

The spelling of 1541541671951 in words is "one trillion, five hundred forty-one billion, five hundred forty-one million, six hundred seventy-one thousand, nine hundred fifty-one".