61525567567223 has 4 divisors (see below), whose sum is σ = 61553269310808. Its totient is φ = 61497865823640.

The previous prime is 61525567567181. The next prime is 61525567567259. The reversal of 61525567567223 is 32276576552516.

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 61525567567223 - 2²² = 61525563372919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61525567567423) 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, 13850868461 + ... + 13850872902.

It is an arithmetic number, because the mean of its divisors is an integer number (15388317327702).

Almost surely, 2^{61525567567223} is an apocalyptic number.

61525567567223 is a deficient number, since it is larger than the sum of its proper divisors (27701743585).

61525567567223 is a wasteful number, since it uses less digits than its factorization.

61525567567223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27701743584.

The product of its digits is 158760000, while the sum is 62.

The spelling of 61525567567223 in words is "sixty-one trillion, five hundred twenty-five billion, five hundred sixty-seven million, five hundred sixty-seven thousand, two hundred twenty-three".