43101540225 has 18 divisors (see below), whose sum is σ = 77199648006. Its totient is φ = 22987488000.

The previous prime is 43101540211. The next prime is 43101540227. The reversal of 43101540225 is 52204510134.

43101540225 is a `hidden beast` number, since 431 + 0 + 1 + 5 + 4 + 0 + 225 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 10861183089 + 32240357136 = 104217^2 + 179556^2 .

It is not a de Polignac number, because 43101540225 - 2⁵ = 43101540193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43101540227) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 95780976 + ... + 95781425.

Almost surely, 2^43101540225 is an apocalyptic number.

43101540225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

43101540225 is a deficient number, since it is larger than the sum of its proper divisors (34098107781).

43101540225 is a wasteful number, since it uses less digits than its factorization.

43101540225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191562417 (or 191562409 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 43101540225 in words is "forty-three billion, one hundred one million, five hundred forty thousand, two hundred twenty-five".