6540601156502 has 8 divisors (see below), whose sum is σ = 11212459125456. Its totient is φ = 2803114781352.

The previous prime is 6540601156487. The next prime is 6540601156633. The reversal of 6540601156502 is 2056511060456.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6540601156502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233592898433 + ... + 233592898460.

It is an arithmetic number, because the mean of its divisors is an integer number (1401557390682).

Almost surely, 2^{6540601156502} is an apocalyptic number.

6540601156502 is a deficient number, since it is larger than the sum of its proper divisors (4671857968954).

6540601156502 is a wasteful number, since it uses less digits than its factorization.

6540601156502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467185796902.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 6540601156502 in words is "six trillion, five hundred forty billion, six hundred one million, one hundred fifty-six thousand, five hundred two".