25122100155051 has 32 divisors (see below), whose sum is σ = 34015112239680. Its totient is φ = 16490272139264.

The previous prime is 25122100154947. The next prime is 25122100155133. The reversal of 25122100155051 is 15055100122152.

It is a cyclic number.

It is not a de Polignac number, because 25122100155051 - 2¹³ = 25122100146859 is a prime.

It is a super-2 number, since 2×25122100155051² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25122100154051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80505241 + ... + 80816693.

It is an arithmetic number, because the mean of its divisors is an integer number (1062972257490).

Almost surely, 2^{25122100155051} is an apocalyptic number.

25122100155051 is a deficient number, since it is larger than the sum of its proper divisors (8893012084629).

25122100155051 is a wasteful number, since it uses less digits than its factorization.

25122100155051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312815.

The product of its (nonzero) digits is 5000, while the sum is 30.

The spelling of 25122100155051 in words is "twenty-five trillion, one hundred twenty-two billion, one hundred million, one hundred fifty-five thousand, fifty-one".