10526378959 has 4 divisors (see below), whose sum is σ = 10527517840. Its totient is φ = 10525240080.

The previous prime is 10526378957. The next prime is 10526379043. The reversal of 10526378959 is 95987362501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10526378959 - 2¹ = 10526378957 is a prime.

It is a super-2 number, since 2×10526378959² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10526378953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555462 + ... + 574099.

It is an arithmetic number, because the mean of its divisors is an integer number (2631879460).

Almost surely, 2^10526378959 is an apocalyptic number.

10526378959 is a deficient number, since it is larger than the sum of its proper divisors (1138881).

10526378959 is an equidigital number, since it uses as much as digits as its factorization.

10526378959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138880.

The product of its (nonzero) digits is 4082400, while the sum is 55.

The spelling of 10526378959 in words is "ten billion, five hundred twenty-six million, three hundred seventy-eight thousand, nine hundred fifty-nine".