61100480 has 56 divisors (see below), whose sum is σ = 166286688. Its totient is φ = 20947968.

The previous prime is 61100471. The next prime is 61100509. The reversal of 61100480 is 8400116.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent 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, 11399 + ... + 15878.

Almost surely, 2^61100480 is an apocalyptic number.

It is an amenable number.

61100480 is an abundant number, since it is smaller than the sum of its proper divisors (105186208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61100480 is a wasteful number, since it uses less digits than its factorization.

61100480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27301 (or 27291 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 61100480 is about 7816.6796019793. The cubic root of 61100480 is about 393.8657414011.

Adding to 61100480 its reverse (8400116), we get a palindrome (69500596).

The spelling of 61100480 in words is "sixty-one million, one hundred thousand, four hundred eighty".