61631228095 has 4 divisors (see below), whose sum is σ = 73957473720. Its totient is φ = 49304982472.

The previous prime is 61631228089. The next prime is 61631228149. The reversal of 61631228095 is 59082213616.

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 61631228095 - 2⁵ = 61631228063 is a prime.

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, 6163122805 + ... + 6163122814.

It is an arithmetic number, because the mean of its divisors is an integer number (18489368430).

Almost surely, 2^61631228095 is an apocalyptic number.

61631228095 is a deficient number, since it is larger than the sum of its proper divisors (12326245625).

61631228095 is a wasteful number, since it uses less digits than its factorization.

61631228095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12326245624.

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 61631228095 in words is "sixty-one billion, six hundred thirty-one million, two hundred twenty-eight thousand, ninety-five".