145613065511 has 2 divisors, whose sum is σ = 145613065512. Its totient is φ = 145613065510.

The previous prime is 145613065457. The next prime is 145613065567. The reversal of 145613065511 is 115560316541.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145613065511 is a prime.

It is a super-2 number, since 2×145613065511² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145613065571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72806532755 + 72806532756.

It is an arithmetic number, because the mean of its divisors is an integer number (72806532756).

Almost surely, 2^145613065511 is an apocalyptic number.

145613065511 is a deficient number, since it is larger than the sum of its proper divisors (1).

145613065511 is an equidigital number, since it uses as much as digits as its factorization.

145613065511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 38.

The spelling of 145613065511 in words is "one hundred forty-five billion, six hundred thirteen million, sixty-five thousand, five hundred eleven".