61512404058 has 96 divisors (see below), whose sum is σ = 156152505600. Its totient is φ = 17133016320.

The previous prime is 61512404047. The next prime is 61512404101. The reversal of 61512404058 is 85040421516.

It is a happy number.

61512404058 is a `hidden beast` number, since 6 + 1 + 5 + 1 + 240 + 405 + 8 = 666.

61512404058 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7998291 + ... + 8005977.

It is an arithmetic number, because the mean of its divisors is an integer number (1626588600).

Almost surely, 2^61512404058 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61512404058, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78076252800).

61512404058 is an abundant number, since it is smaller than the sum of its proper divisors (94640101542).

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

61512404058 is a wasteful number, since it uses less digits than its factorization.

61512404058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9292 (or 9289 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The spelling of 61512404058 in words is "sixty-one billion, five hundred twelve million, four hundred four thousand, fifty-eight".