147976481278111 has 2 divisors, whose sum is σ = 147976481278112. Its totient is φ = 147976481278110.

The previous prime is 147976481278057. The next prime is 147976481278147. The reversal of 147976481278111 is 111872184679741.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 147976481278111 - 2¹⁷ = 147976481147039 is a prime.

It is a super-2 number, since 2×147976481278111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147976481278151) 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 as a sum of consecutive naturals, namely, 73988240639055 + 73988240639056.

It is an arithmetic number, because the mean of its divisors is an integer number (73988240639056).

Almost surely, 2^{147976481278111} is an apocalyptic number.

147976481278111 is a deficient number, since it is larger than the sum of its proper divisors (1).

147976481278111 is an equidigital number, since it uses as much as digits as its factorization.

147976481278111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37933056, while the sum is 67.

The spelling of 147976481278111 in words is "one hundred forty-seven trillion, nine hundred seventy-six billion, four hundred eighty-one million, two hundred seventy-eight thousand, one hundred eleven".