10786394615557 has 16 divisors (see below), whose sum is σ = 11871821606400. Its totient is φ = 9718682275440.

The previous prime is 10786394615471. The next prime is 10786394615641. The reversal of 10786394615557 is 75551649368701.

It is a cyclic number.

It is not a de Polignac number, because 10786394615557 - 2²³ = 10786386226949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10786394615492 and 10786394615501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10786394615257) 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 in 15 ways as a sum of consecutive naturals, for example, 5111457 + ... + 6906502.

It is an arithmetic number, because the mean of its divisors is an integer number (741988850400).

Almost surely, 2^{10786394615557} is an apocalyptic number.

It is an amenable number.

10786394615557 is a deficient number, since it is larger than the sum of its proper divisors (1085426990843).

10786394615557 is a wasteful number, since it uses less digits than its factorization.

10786394615557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12018696.

The product of its (nonzero) digits is 190512000, while the sum is 67.

The spelling of 10786394615557 in words is "ten trillion, seven hundred eighty-six billion, three hundred ninety-four million, six hundred fifteen thousand, five hundred fifty-seven".