1025552442111 has 16 divisors (see below), whose sum is σ = 1370977659648. Its totient is φ = 681916248000.

The previous prime is 1025552442107. The next prime is 1025552442163. The reversal of 1025552442111 is 1112442555201.

It is not a de Polignac number, because 1025552442111 - 2² = 1025552442107 is a prime.

It is a super-2 number, since 2×1025552442111² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025552442511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2034936 + ... + 2488386.

It is an arithmetic number, because the mean of its divisors is an integer number (85686103728).

Almost surely, 2^{1025552442111} is an apocalyptic number.

1025552442111 is a deficient number, since it is larger than the sum of its proper divisors (345425217537).

1025552442111 is a wasteful number, since it uses less digits than its factorization.

1025552442111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455422.

The product of its (nonzero) digits is 16000, while the sum is 33.

Adding to 1025552442111 its reverse (1112442555201), we get a palindrome (2137994997312).

The spelling of 1025552442111 in words is "one trillion, twenty-five billion, five hundred fifty-two million, four hundred forty-two thousand, one hundred eleven".