43140225666501 has 24 divisors (see below), whose sum is σ = 62327331560000. Its totient is φ = 28753840950912.

The previous prime is 43140225666497. The next prime is 43140225666511. The reversal of 43140225666501 is 10566652204134.

It is not a de Polignac number, because 43140225666501 - 2² = 43140225666497 is a prime.

It is a super-2 number, since 2×43140225666501² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43140225666511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 989909730 + ... + 989953308.

Almost surely, 2^{43140225666501} is an apocalyptic number.

It is an amenable number.

43140225666501 is a deficient number, since it is larger than the sum of its proper divisors (19187105893499).

43140225666501 is a wasteful number, since it uses less digits than its factorization.

43140225666501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65193 (or 65190 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 43140225666501 in words is "forty-three trillion, one hundred forty billion, two hundred twenty-five million, six hundred sixty-six thousand, five hundred one".