61500053014 has 4 divisors (see below), whose sum is σ = 92250079524. Its totient is φ = 30750026506.

The previous prime is 61500053011. The next prime is 61500053053. The reversal of 61500053014 is 41035000516.

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

It is a self number, because there is not a number n which added to its sum of digits gives 61500053014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61500053011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15375013252 + ... + 15375013255.

It is an arithmetic number, because the mean of its divisors is an integer number (23062519881).

Almost surely, 2^61500053014 is an apocalyptic number.

61500053014 is a deficient number, since it is larger than the sum of its proper divisors (30750026510).

61500053014 is a wasteful number, since it uses less digits than its factorization.

61500053014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30750026509.

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 61500053014 in words is "sixty-one billion, five hundred million, fifty-three thousand, fourteen".