25150145247 has 16 divisors (see below), whose sum is σ = 37348416000. Its totient is φ = 16726739832.

The previous prime is 25150145227. The next prime is 25150145263. The reversal of 25150145247 is 74254105152.

It is not a de Polignac number, because 25150145247 - 2⁶ = 25150145183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25150145227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1100247 + ... + 1122872.

It is an arithmetic number, because the mean of its divisors is an integer number (2334276000).

Almost surely, 2^25150145247 is an apocalyptic number.

25150145247 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

25150145247 is a deficient number, since it is larger than the sum of its proper divisors (12198270753).

25150145247 is a wasteful number, since it uses less digits than its factorization.

25150145247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223547 (or 2223541 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The spelling of 25150145247 in words is "twenty-five billion, one hundred fifty million, one hundred forty-five thousand, two hundred forty-seven".