10515611077397 has 2 divisors, whose sum is σ = 10515611077398. Its totient is φ = 10515611077396.

The previous prime is 10515611077379. The next prime is 10515611077417. The reversal of 10515611077397 is 79377011651501.

Together with previous prime (10515611077379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9926085023761 + 589526053636 = 3150569^2 + 767806^2 .

It is a cyclic number.

It is not a de Polignac number, because 10515611077397 - 2²⁴ = 10515594300181 is a prime.

It is a super-2 number, since 2×10515611077397² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10515611077327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5257805538698 + 5257805538699.

It is an arithmetic number, because the mean of its divisors is an integer number (5257805538699).

Almost surely, 2^{10515611077397} is an apocalyptic number.

It is an amenable number.

10515611077397 is a deficient number, since it is larger than the sum of its proper divisors (1).

10515611077397 is an equidigital number, since it uses as much as digits as its factorization.

10515611077397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1389150, while the sum is 53.

The spelling of 10515611077397 in words is "ten trillion, five hundred fifteen billion, six hundred eleven million, seventy-seven thousand, three hundred ninety-seven".