15145140412511 has 2 divisors, whose sum is σ = 15145140412512. Its totient is φ = 15145140412510.

The previous prime is 15145140412499. The next prime is 15145140412537. The reversal of 15145140412511 is 11521404154151.

It is a happy number.

15145140412511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15145140412511 - 2⁶ = 15145140412447 is a prime.

It is a super-2 number, since 2×15145140412511² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15145140412711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7572570206255 + 7572570206256.

It is an arithmetic number, because the mean of its divisors is an integer number (7572570206256).

Almost surely, 2^{15145140412511} is an apocalyptic number.

15145140412511 is a deficient number, since it is larger than the sum of its proper divisors (1).

15145140412511 is an equidigital number, since it uses as much as digits as its factorization.

15145140412511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16000, while the sum is 35.

Adding to 15145140412511 its reverse (11521404154151), we get a palindrome (26666544566662).

The spelling of 15145140412511 in words is "fifteen trillion, one hundred forty-five billion, one hundred forty million, four hundred twelve thousand, five hundred eleven".