25000213545542 has 8 divisors (see below), whose sum is σ = 37501849955856. Its totient is φ = 12499596893592.

The previous prime is 25000213545497. The next prime is 25000213545641. The reversal of 25000213545542 is 24554531200052.

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

It is a junction number, because it is equal to n+sod(n) for n = 25000213545496 and 25000213545505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254878298 + ... + 254976365.

It is an arithmetic number, because the mean of its divisors is an integer number (4687731244482).

Almost surely, 2^{25000213545542} is an apocalyptic number.

25000213545542 is a deficient number, since it is larger than the sum of its proper divisors (12501636410314).

25000213545542 is a wasteful number, since it uses less digits than its factorization.

25000213545542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509879182.

The product of its (nonzero) digits is 240000, while the sum is 38.

Adding to 25000213545542 its reverse (24554531200052), we get a palindrome (49554744745594).

The spelling of 25000213545542 in words is "twenty-five trillion, two hundred thirteen million, five hundred forty-five thousand, five hundred forty-two".