253630265545 has 16 divisors (see below), whose sum is σ = 322610394240. Its totient is φ = 190760811264.

The previous prime is 253630265543. The next prime is 253630265561. The reversal of 253630265545 is 545562036352.

253630265545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 253630265545 - 2¹ = 253630265543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253630265495 and 253630265504.

It is not an unprimeable number, because it can be changed into a prime (253630265543) 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, 1545327 + ... + 1701556.

It is an arithmetic number, because the mean of its divisors is an integer number (20163149640).

Almost surely, 2^253630265545 is an apocalyptic number.

It is an amenable number.

253630265545 is a deficient number, since it is larger than the sum of its proper divisors (68980128695).

253630265545 is a wasteful number, since it uses less digits than its factorization.

253630265545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3247824.

The product of its (nonzero) digits is 3240000, while the sum is 46.

The spelling of 253630265545 in words is "two hundred fifty-three billion, six hundred thirty million, two hundred sixty-five thousand, five hundred forty-five".