61562035401 has 4 divisors (see below), whose sum is σ = 82082713872. Its totient is φ = 41041356932.

The previous prime is 61562035387. The next prime is 61562035439. The reversal of 61562035401 is 10453026516.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61562035401 - 2¹⁹ = 61561511113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61562035471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10260339231 + ... + 10260339236.

It is an arithmetic number, because the mean of its divisors is an integer number (20520678468).

Almost surely, 2^61562035401 is an apocalyptic number.

It is an amenable number.

61562035401 is a deficient number, since it is larger than the sum of its proper divisors (20520678471).

61562035401 is a wasteful number, since it uses less digits than its factorization.

61562035401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20520678470.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 61562035401 in words is "sixty-one billion, five hundred sixty-two million, thirty-five thousand, four hundred one".