12540153541 has 8 divisors (see below), whose sum is σ = 13087863360. Its totient is φ = 11992650912.

The previous prime is 12540153533. The next prime is 12540153583. The reversal of 12540153541 is 14535104521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12540153541 - 2³ = 12540153533 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 (12540150541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78945 + ... + 176953.

It is an arithmetic number, because the mean of its divisors is an integer number (1635982920).

Almost surely, 2^12540153541 is an apocalyptic number.

It is an amenable number.

12540153541 is a deficient number, since it is larger than the sum of its proper divisors (547709819).

12540153541 is an equidigital number, since it uses as much as digits as its factorization.

12540153541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103595.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 12540153541 in words is "twelve billion, five hundred forty million, one hundred fifty-three thousand, five hundred forty-one".