7541179781987 has 2 divisors, whose sum is σ = 7541179781988. Its totient is φ = 7541179781986.

The previous prime is 7541179781977. The next prime is 7541179782001. The reversal of 7541179781987 is 7891879711457.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7541179781987 - 2³⁰ = 7540106040163 is a prime.

It is not a weakly prime, because it can be changed into another prime (7541179781977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3770589890993 + 3770589890994.

It is an arithmetic number, because the mean of its divisors is an integer number (3770589890994).

Almost surely, 2^{7541179781987} is an apocalyptic number.

7541179781987 is a deficient number, since it is larger than the sum of its proper divisors (1).

7541179781987 is an equidigital number, since it uses as much as digits as its factorization.

7541179781987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248935680, while the sum is 74.

The spelling of 7541179781987 in words is "seven trillion, five hundred forty-one billion, one hundred seventy-nine million, seven hundred eighty-one thousand, nine hundred eighty-seven".