61110005454 has 48 divisors (see below), whose sum is σ = 135334996992. Its totient is φ = 19919958864.

The previous prime is 61110005447. The next prime is 61110005461. The reversal of 61110005454 is 45450001116.

61110005454 is a `hidden beast` number, since 6 + 1 + 110 + 0 + 0 + 545 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (61110005447) and next prime (61110005461).

It is a super-2 number, since 2×61110005454² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1005127 + ... + 1064189.

It is an arithmetic number, because the mean of its divisors is an integer number (2819479104).

Almost surely, 2^61110005454 is an apocalyptic number.

61110005454 is an abundant number, since it is smaller than the sum of its proper divisors (74224991538).

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

61110005454 is a wasteful number, since it uses less digits than its factorization.

61110005454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60341 (or 60338 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The spelling of 61110005454 in words is "sixty-one billion, one hundred ten million, five thousand, four hundred fifty-four".