45054721061 has 16 divisors (see below), whose sum is σ = 51585154560. Its totient is φ = 38547872880.

The previous prime is 45054721057. The next prime is 45054721067. The reversal of 45054721061 is 16012745054.

It is a cyclic number.

It is not a de Polignac number, because 45054721061 - 2² = 45054721057 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 (45054721067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15981110 + ... + 15983928.

It is an arithmetic number, because the mean of its divisors is an integer number (3224072160).

Almost surely, 2^45054721061 is an apocalyptic number.

It is an amenable number.

45054721061 is a deficient number, since it is larger than the sum of its proper divisors (6530433499).

45054721061 is a wasteful number, since it uses less digits than its factorization.

45054721061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6184.

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 45054721061 in words is "forty-five billion, fifty-four million, seven hundred twenty-one thousand, sixty-one".