25111253051434 has 48 divisors (see below), whose sum is σ = 42757804954368. Its totient is φ = 11040887088000.

The previous prime is 25111253051431. The next prime is 25111253051491. The reversal of 25111253051434 is 43415035211152.

It is a junction number, because it is equal to n+sod(n) for n = 25111253051393 and 25111253051402.

It is not an unprimeable number, because it can be changed into a prime (25111253051431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15437349 + ... + 16986295.

It is an arithmetic number, because the mean of its divisors is an integer number (890787603216).

Almost surely, 2^{25111253051434} is an apocalyptic number.

25111253051434 is a deficient number, since it is larger than the sum of its proper divisors (17646551902934).

25111253051434 is a wasteful number, since it uses less digits than its factorization.

25111253051434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551163 (or 1551152 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 25111253051434 its reverse (43415035211152), we get a palindrome (68526288262586).

The spelling of 25111253051434 in words is "twenty-five trillion, one hundred eleven billion, two hundred fifty-three million, fifty-one thousand, four hundred thirty-four".