61180240465 has 8 divisors (see below), whose sum is σ = 76608301248. Its totient is φ = 46816183920.

The previous prime is 61180240409. The next prime is 61180240493. The reversal of 61180240465 is 56404208116.

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

It is not a de Polignac number, because 61180240465 - 2⁷ = 61180240337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266000931 + ... + 266001160.

It is an arithmetic number, because the mean of its divisors is an integer number (9576037656).

Almost surely, 2^61180240465 is an apocalyptic number.

It is an amenable number.

61180240465 is a deficient number, since it is larger than the sum of its proper divisors (15428060783).

61180240465 is a wasteful number, since it uses less digits than its factorization.

61180240465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532002119.

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 61180240465 in words is "sixty-one billion, one hundred eighty million, two hundred forty thousand, four hundred sixty-five".