45511155111554 has 64 divisors (see below), whose sum is σ = 77490127636992. Its totient is φ = 19868873472000.

The previous prime is 45511155111533. The next prime is 45511155111557.

It is a happy number.

45511155111554 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (45511155111557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9872774 + ... + 13729310.

It is an arithmetic number, because the mean of its divisors is an integer number (1210783244328).

Almost surely, 2^{45511155111554} is an apocalyptic number.

45511155111554 is a deficient number, since it is larger than the sum of its proper divisors (31978972525438).

45511155111554 is a wasteful number, since it uses less digits than its factorization.

45511155111554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3856811.

The product of its digits is 250000, while the sum is 44.

It can be divided in two parts, 4551115 and 5111554, that added together give a palindrome (9662669).

The spelling of 45511155111554 in words is "forty-five trillion, five hundred eleven billion, one hundred fifty-five million, one hundred eleven thousand, five hundred fifty-four".