45525535861 has 6 divisors (see below), whose sum is σ = 49296882210. Its totient is φ = 42023571408.

The previous prime is 45525535859. The next prime is 45525535873. The reversal of 45525535861 is 16853552554.

It can be written as a sum of positive squares in 3 ways, for example, as 2217844836 + 43307691025 = 47094^2 + 208105^2 .

It is not a de Polignac number, because 45525535861 - 2¹ = 45525535859 is a prime.

It is a super-2 number, since 2×45525535861² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45525535831) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134690766 + ... + 134691103.

It is an arithmetic number, because the mean of its divisors is an integer number (8216147035).

Almost surely, 2^45525535861 is an apocalyptic number.

It is an amenable number.

45525535861 is a deficient number, since it is larger than the sum of its proper divisors (3771346349).

45525535861 is a wasteful number, since it uses less digits than its factorization.

45525535861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269381895 (or 269381882 counting only the distinct ones).

The product of its digits is 3600000, while the sum is 49.

The spelling of 45525535861 in words is "forty-five billion, five hundred twenty-five million, five hundred thirty-five thousand, eight hundred sixty-one".