45211051517 has 4 divisors (see below), whose sum is σ = 45499020156. Its totient is φ = 44923082880.

The previous prime is 45211051499. The next prime is 45211051547. The reversal of 45211051517 is 71515011254.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18674315716 + 26536735801 = 136654^2 + 162901^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45211051517 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 (45211051547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143984084 + ... + 143984397.

It is an arithmetic number, because the mean of its divisors is an integer number (11374755039).

Almost surely, 2^45211051517 is an apocalyptic number.

It is an amenable number.

45211051517 is a deficient number, since it is larger than the sum of its proper divisors (287968639).

45211051517 is a wasteful number, since it uses less digits than its factorization.

45211051517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287968638.

The product of its (nonzero) digits is 7000, while the sum is 32.

The spelling of 45211051517 in words is "forty-five billion, two hundred eleven million, fifty-one thousand, five hundred seventeen".