25343501145 has 32 divisors (see below), whose sum is σ = 44319882240. Its totient is φ = 12311070720.

The previous prime is 25343501059. The next prime is 25343501149. The reversal of 25343501145 is 54110534352.

It is not a de Polignac number, because 25343501145 - 2¹⁵ = 25343468377 is a prime.

It is a super-2 number, since 2×25343501145² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25343501149) 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 31 ways as a sum of consecutive naturals, for example, 1595100 + ... + 1610909.

It is an arithmetic number, because the mean of its divisors is an integer number (1384996320).

Almost surely, 2^25343501145 is an apocalyptic number.

It is an amenable number.

25343501145 is a deficient number, since it is larger than the sum of its proper divisors (18976381095).

25343501145 is a wasteful number, since it uses less digits than its factorization.

25343501145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3206065.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 25343501145 in words is "twenty-five billion, three hundred forty-three million, five hundred one thousand, one hundred forty-five".