225123077502 has 96 divisors (see below), whose sum is σ = 497914653600. Its totient is φ = 73496263680.

The previous prime is 225123077497. The next prime is 225123077503. The reversal of 225123077502 is 205770321522.

225123077502 is a `hidden beast` number, since 2 + 2 + 51 + 2 + 30 + 77 + 502 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225123077503) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 128861793 + ... + 128863539.

It is an arithmetic number, because the mean of its divisors is an integer number (5186610975).

Almost surely, 2^225123077502 is an apocalyptic number.

225123077502 is an abundant number, since it is smaller than the sum of its proper divisors (272791576098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225123077502 is a wasteful number, since it uses less digits than its factorization.

225123077502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2458 (or 2455 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The spelling of 225123077502 in words is "two hundred twenty-five billion, one hundred twenty-three million, seventy-seven thousand, five hundred two".