45026515521 has 32 divisors (see below), whose sum is σ = 71954709120. Its totient is φ = 27663291072.

The previous prime is 45026515519. The next prime is 45026515607. The reversal of 45026515521 is 12551562054.

45026515521 is a `hidden beast` number, since 4 + 50 + 2 + 6 + 51 + 552 + 1 = 666.

It is not a de Polignac number, because 45026515521 - 2¹ = 45026515519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45026515511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110530 + ... + 319796.

It is an arithmetic number, because the mean of its divisors is an integer number (2248584660).

Almost surely, 2^45026515521 is an apocalyptic number.

It is an amenable number.

45026515521 is a deficient number, since it is larger than the sum of its proper divisors (26928193599).

45026515521 is a wasteful number, since it uses less digits than its factorization.

45026515521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209902 (or 209896 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 45026515521 in words is "forty-five billion, twenty-six million, five hundred fifteen thousand, five hundred twenty-one".