61540263704006 has 8 divisors (see below), whose sum is σ = 92316840505464. Its totient is φ = 30767983535520.

The previous prime is 61540263703957. The next prime is 61540263704047. The reversal of 61540263704006 is 60040736204516.

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

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, 1074122435 + ... + 1074179726.

It is an arithmetic number, because the mean of its divisors is an integer number (11539605063183).

Almost surely, 2^{61540263704006} is an apocalyptic number.

61540263704006 is a deficient number, since it is larger than the sum of its proper divisors (30776576801458).

61540263704006 is a wasteful number, since it uses less digits than its factorization.

61540263704006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148316486.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 61540263704006 in words is "sixty-one trillion, five hundred forty billion, two hundred sixty-three million, seven hundred four thousand, six".