25542550101 has 8 divisors (see below), whose sum is σ = 34487831680. Its totient is φ = 16812817632.

The previous prime is 25542550091. The next prime is 25542550151. The reversal of 25542550101 is 10105524552.

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

It is not a de Polignac number, because 25542550101 - 2²⁷ = 25408332373 is a prime.

It is a super-2 number, since 2×25542550101² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25542550151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53887000 + ... + 53887473.

It is an arithmetic number, because the mean of its divisors is an integer number (4310978960).

Almost surely, 2^25542550101 is an apocalyptic number.

It is an amenable number.

25542550101 is a deficient number, since it is larger than the sum of its proper divisors (8945281579).

25542550101 is a wasteful number, since it uses less digits than its factorization.

25542550101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107774555.

The product of its (nonzero) digits is 10000, while the sum is 30.

The spelling of 25542550101 in words is "twenty-five billion, five hundred forty-two million, five hundred fifty thousand, one hundred one".