1025135552526 has 16 divisors (see below), whose sum is σ = 2071407921744. Its totient is φ = 338189048064.

The previous prime is 1025135552509. The next prime is 1025135552527. The reversal of 1025135552526 is 6252555315201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025135552527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 880700065 + ... + 880701228.

It is an arithmetic number, because the mean of its divisors is an integer number (129462995109).

Almost surely, 2^{1025135552526} is an apocalyptic number.

1025135552526 is an abundant number, since it is smaller than the sum of its proper divisors (1046272369218).

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

1025135552526 is a wasteful number, since it uses less digits than its factorization.

1025135552526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761401395.

The product of its (nonzero) digits is 450000, while the sum is 42.

The spelling of 1025135552526 in words is "one trillion, twenty-five billion, one hundred thirty-five million, five hundred fifty-two thousand, five hundred twenty-six".