1025564100231 has 8 divisors (see below), whose sum is σ = 1491729600384. Its totient is φ = 621554000120.

The previous prime is 1025564100229. The next prime is 1025564100269. The reversal of 1025564100231 is 1320014655201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1025564100231 - 2¹ = 1025564100229 is a prime.

It is a super-2 number, since 2×1025564100231² (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 (1025564100131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15538849971 + ... + 15538850036.

It is an arithmetic number, because the mean of its divisors is an integer number (186466200048).

Almost surely, 2^{1025564100231} is an apocalyptic number.

1025564100231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1025564100231 is a deficient number, since it is larger than the sum of its proper divisors (466165500153).

1025564100231 is a wasteful number, since it uses less digits than its factorization.

1025564100231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31077700021.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 1025564100231 its reverse (1320014655201), we get a palindrome (2345578755432).

The spelling of 1025564100231 in words is "one trillion, twenty-five billion, five hundred sixty-four million, one hundred thousand, two hundred thirty-one".