61095903567 has 4 divisors (see below), whose sum is σ = 81461204760. Its totient is φ = 40730602376.

The previous prime is 61095903553. The next prime is 61095903601. The reversal of 61095903567 is 76530959016.

61095903567 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61095903567 - 2²⁰ = 61094854991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61095901567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10182650592 + ... + 10182650597.

It is an arithmetic number, because the mean of its divisors is an integer number (20365301190).

Almost surely, 2^61095903567 is an apocalyptic number.

61095903567 is a deficient number, since it is larger than the sum of its proper divisors (20365301193).

61095903567 is a wasteful number, since it uses less digits than its factorization.

61095903567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20365301192.

The product of its (nonzero) digits is 1530900, while the sum is 51.

The spelling of 61095903567 in words is "sixty-one billion, ninety-five million, nine hundred three thousand, five hundred sixty-seven".