45881211601 has 27 divisors (see below), whose sum is σ = 49042128681. Its totient is φ = 42920338824.

The previous prime is 45881211599. The next prime is 45881211637. The reversal of 45881211601 is 10611218854.

The square root of 45881211601 is 214199.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 45881211601 - 2¹ = 45881211599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45881211661) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 330080590 + ... + 330080728.

Almost surely, 2^45881211601 is an apocalyptic number.

45881211601 is the 214199-th square number.

45881211601 is the 107100-th centered octagonal number.

It is an amenable number.

45881211601 is a deficient number, since it is larger than the sum of its proper divisors (3160917080).

45881211601 is an frugal number, since it uses more digits than its factorization.

45881211601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 37.

The spelling of 45881211601 in words is "forty-five billion, eight hundred eighty-one million, two hundred eleven thousand, six hundred one".