149711887441 has 2 divisors, whose sum is σ = 149711887442. Its totient is φ = 149711887440.

The previous prime is 149711887411. The next prime is 149711887487. The reversal of 149711887441 is 144788117941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107964816400 + 41747071041 = 328580^2 + 204321^2 .

It is a cyclic number.

It is not a de Polignac number, because 149711887441 - 2⁷ = 149711887313 is a prime.

It is a super-2 number, since 2×149711887441² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (149711887411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74855943720 + 74855943721.

It is an arithmetic number, because the mean of its divisors is an integer number (74855943721).

Almost surely, 2^149711887441 is an apocalyptic number.

It is an amenable number.

149711887441 is a deficient number, since it is larger than the sum of its proper divisors (1).

149711887441 is an equidigital number, since it uses as much as digits as its factorization.

149711887441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1806336, while the sum is 55.

The spelling of 149711887441 in words is "one hundred forty-nine billion, seven hundred eleven million, eight hundred eighty-seven thousand, four hundred forty-one".