45511544511554 has 16 divisors (see below), whose sum is σ = 74501194093920. Its totient is φ = 20679355236960.

The previous prime is 45511544511547. The next prime is 45511544511557.

45511544511554 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×45511544511554² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45511544511557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385462139 + ... + 385580190.

It is an arithmetic number, because the mean of its divisors is an integer number (4656324630870).

Almost surely, 2^{45511544511554} is an apocalyptic number.

45511544511554 is a deficient number, since it is larger than the sum of its proper divisors (28989649582366).

45511544511554 is a wasteful number, since it uses less digits than its factorization.

45511544511554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771045025.

The product of its digits is 4000000, while the sum is 50.

The spelling of 45511544511554 in words is "forty-five trillion, five hundred eleven billion, five hundred forty-four million, five hundred eleven thousand, five hundred fifty-four".