61024313500 has 96 divisors (see below), whose sum is σ = 143051493312. Its totient is φ = 22658918400.

The previous prime is 61024313491. The next prime is 61024313591. The reversal of 61024313500 is 531342016.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 571327 + ... + 669673.

It is an arithmetic number, because the mean of its divisors is an integer number (1490119722).

Almost surely, 2^61024313500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61024313500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71525746656).

61024313500 is an abundant number, since it is smaller than the sum of its proper divisors (82027179812).

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

61024313500 is a wasteful number, since it uses less digits than its factorization.

61024313500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98456 (or 98444 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 61024313500 its reverse (531342016), we get a palindrome (61555655516).

The spelling of 61024313500 in words is "sixty-one billion, twenty-four million, three hundred thirteen thousand, five hundred".