1225137738175 has 48 divisors (see below), whose sum is σ = 1733955394752. Its totient is φ = 850668595200.

The previous prime is 1225137738173. The next prime is 1225137738179. The reversal of 1225137738175 is 5718377315221.

It is not a de Polignac number, because 1225137738175 - 2¹ = 1225137738173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225137738173) 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, 5588737 + ... + 5803813.

It is an arithmetic number, because the mean of its divisors is an integer number (36124070724).

Almost surely, 2^{1225137738175} is an apocalyptic number.

1225137738175 is a deficient number, since it is larger than the sum of its proper divisors (508817656577).

1225137738175 is a wasteful number, since it uses less digits than its factorization.

1225137738175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216148 (or 216143 counting only the distinct ones).

The product of its digits is 2469600, while the sum is 52.

The spelling of 1225137738175 in words is "one trillion, two hundred twenty-five billion, one hundred thirty-seven million, seven hundred thirty-eight thousand, one hundred seventy-five".