61276738201 has 8 divisors (see below), whose sum is σ = 70182471744. Its totient is φ = 52408983120.

The previous prime is 61276738199. The next prime is 61276738213. The reversal of 61276738201 is 10283767216.

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 61276738201 - 2¹ = 61276738199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61276798201) 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, 9491155 + ... + 9497608.

It is an arithmetic number, because the mean of its divisors is an integer number (8772808968).

Almost surely, 2^61276738201 is an apocalyptic number.

It is an amenable number.

61276738201 is a deficient number, since it is larger than the sum of its proper divisors (8905733543).

61276738201 is a wasteful number, since it uses less digits than its factorization.

61276738201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18989231.

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 61276738201 in words is "sixty-one billion, two hundred seventy-six million, seven hundred thirty-eight thousand, two hundred one".