61435256601 has 8 divisors (see below), whose sum is σ = 84556052224. Its totient is φ = 39635649360.

The previous prime is 61435256579. The next prime is 61435256627. The reversal of 61435256601 is 10665253416.

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

It is not a de Polignac number, because 61435256601 - 2⁵ = 61435256569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61435256601.

It is not an unprimeable number, because it can be changed into a prime (61435256671) 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, 330296986 + ... + 330297171.

It is an arithmetic number, because the mean of its divisors is an integer number (10569506528).

Almost surely, 2^61435256601 is an apocalyptic number.

It is an amenable number.

61435256601 is a deficient number, since it is larger than the sum of its proper divisors (23120795623).

61435256601 is a wasteful number, since it uses less digits than its factorization.

61435256601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660594191.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 61435256601 in words is "sixty-one billion, four hundred thirty-five million, two hundred fifty-six thousand, six hundred one".