1625722625241 has 64 divisors (see below), whose sum is σ = 2882928464640. Its totient is φ = 892334776320.

The previous prime is 1625722625221. The next prime is 1625722625249. The reversal of 1625722625241 is 1425262275261.

1625722625241 is a `hidden beast` number, since 1 + 6 + 2 + 572 + 26 + 2 + 52 + 4 + 1 = 666.

It is not a de Polignac number, because 1625722625241 - 2⁵ = 1625722625209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1625722625249) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3767656 + ... + 4176921.

It is an arithmetic number, because the mean of its divisors is an integer number (45045757260).

Almost surely, 2^{1625722625241} is an apocalyptic number.

1625722625241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1625722625241 is a deficient number, since it is larger than the sum of its proper divisors (1257205839399).

1625722625241 is a wasteful number, since it uses less digits than its factorization.

1625722625241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7944663 (or 7944657 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The spelling of 1625722625241 in words is "one trillion, six hundred twenty-five billion, seven hundred twenty-two million, six hundred twenty-five thousand, two hundred forty-one".