25261622151103 has 32 divisors (see below), whose sum is σ = 27578826317952. Its totient is φ = 22999721472000.

The previous prime is 25261622151097. The next prime is 25261622151127. The reversal of 25261622151103 is 30115122616252.

It is not a de Polignac number, because 25261622151103 - 2²¹ = 25261620053951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25261622151803) 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, 541130923 + ... + 541177603.

It is an arithmetic number, because the mean of its divisors is an integer number (861838322436).

Almost surely, 2^{25261622151103} is an apocalyptic number.

25261622151103 is a deficient number, since it is larger than the sum of its proper divisors (2317204166849).

25261622151103 is a wasteful number, since it uses less digits than its factorization.

25261622151103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48355.

The product of its (nonzero) digits is 43200, while the sum is 37.

Adding to 25261622151103 its reverse (30115122616252), we get a palindrome (55376744767355).

The spelling of 25261622151103 in words is "twenty-five trillion, two hundred sixty-one billion, six hundred twenty-two million, one hundred fifty-one thousand, one hundred three".