45122611261 has 8 divisors (see below), whose sum is σ = 55535521664. Its totient is φ = 35701406640.

The previous prime is 45122611243. The next prime is 45122611271. The reversal of 45122611261 is 16211622154.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45122611261 - 2¹⁷ = 45122480189 is a prime.

It is a super-2 number, since 2×45122611261² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45122611211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247926345 + ... + 247926526.

It is an arithmetic number, because the mean of its divisors is an integer number (6941940208).

Almost surely, 2^45122611261 is an apocalyptic number.

It is an amenable number.

45122611261 is a deficient number, since it is larger than the sum of its proper divisors (10412910403).

45122611261 is a wasteful number, since it uses less digits than its factorization.

45122611261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495852891.

The product of its digits is 5760, while the sum is 31.

The spelling of 45122611261 in words is "forty-five billion, one hundred twenty-two million, six hundred eleven thousand, two hundred sixty-one".