25545322136042 has 48 divisors (see below), whose sum is σ = 39879713049696. Its totient is φ = 12267772171200.

The previous prime is 25545322135961. The next prime is 25545322136057. The reversal of 25545322136042 is 24063122354552.

It is a junction number, because it is equal to n+sod(n) for n = 25545322135984 and 25545322136002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83070413 + ... + 83377359.

It is an arithmetic number, because the mean of its divisors is an integer number (830827355202).

Almost surely, 2^{25545322136042} is an apocalyptic number.

25545322136042 is a deficient number, since it is larger than the sum of its proper divisors (14334390913654).

25545322136042 is a wasteful number, since it uses less digits than its factorization.

25545322136042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307335 (or 307274 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 44.

The spelling of 25545322136042 in words is "twenty-five trillion, five hundred forty-five billion, three hundred twenty-two million, one hundred thirty-six thousand, forty-two".