225155213542 has 32 divisors (see below), whose sum is σ = 417025627200. Its totient is φ = 90818904960.

The previous prime is 225155213539. The next prime is 225155213587. The reversal of 225155213542 is 245312551522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9641709 + ... + 9665032.

It is an arithmetic number, because the mean of its divisors is an integer number (13032050850).

Almost surely, 2^225155213542 is an apocalyptic number.

225155213542 is a deficient number, since it is larger than the sum of its proper divisors (191870413658).

225155213542 is a wasteful number, since it uses less digits than its factorization.

225155213542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19306781 (or 19306767 counting only the distinct ones).

The product of its digits is 120000, while the sum is 37.

The spelling of 225155213542 in words is "two hundred twenty-five billion, one hundred fifty-five million, two hundred thirteen thousand, five hundred forty-two".