25042106561402 has 8 divisors (see below), whose sum is σ = 42929325533856. Its totient is φ = 10732331383452.

The previous prime is 25042106561401. The next prime is 25042106561491. The reversal of 25042106561402 is 20416560124052.

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

It is a super-2 number, since 2×25042106561402² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25042106561401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 894360948608 + ... + 894360948635.

It is an arithmetic number, because the mean of its divisors is an integer number (5366165691732).

Almost surely, 2^{25042106561402} is an apocalyptic number.

25042106561402 is a deficient number, since it is larger than the sum of its proper divisors (17887218972454).

25042106561402 is a wasteful number, since it uses less digits than its factorization.

25042106561402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788721897252.

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 25042106561402 its reverse (20416560124052), we get a palindrome (45458666685454).

The spelling of 25042106561402 in words is "twenty-five trillion, forty-two billion, one hundred six million, five hundred sixty-one thousand, four hundred two".