855525601326 has 64 divisors (see below), whose sum is σ = 1870039664640. Its totient is φ = 258773053440.

The previous prime is 855525601283. The next prime is 855525601327. The reversal of 855525601326 is 623106525558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855525601327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112817731 + ... + 112825313.

It is an arithmetic number, because the mean of its divisors is an integer number (29219369760).

Almost surely, 2^855525601326 is an apocalyptic number.

855525601326 is an abundant number, since it is smaller than the sum of its proper divisors (1014514063314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

855525601326 is a wasteful number, since it uses less digits than its factorization.

855525601326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10521.

The product of its (nonzero) digits is 2160000, while the sum is 48.

It can be divided in two parts, 85552 and 5601326, that added together give a triangular number (5686878 = T₃₃₇₂).

The spelling of 855525601326 in words is "eight hundred fifty-five billion, five hundred twenty-five million, six hundred one thousand, three hundred twenty-six".