61540503014232 has 224 divisors, whose sum is σ = 190599761126160. Its totient is φ = 18463995360000.

The previous prime is 61540503014227. The next prime is 61540503014233. The reversal of 61540503014232 is 23241030504516.

61540503014232 is a `hidden beast` number, since 6 + 1 + 5 + 4 + 0 + 503 + 0 + 142 + 3 + 2 = 666.

It is a super-2 number, since 2×61540503014232² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61540503014233) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1730382 + ... + 11228322.

Almost surely, 2^{61540503014232} 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 61540503014232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95299880563080).

61540503014232 is an abundant number, since it is smaller than the sum of its proper divisors (129059258111928).

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

61540503014232 is a wasteful number, since it uses less digits than its factorization.

61540503014232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9498077 (or 9498058 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 61540503014232 its reverse (23241030504516), we get a palindrome (84781533518748).

The spelling of 61540503014232 in words is "sixty-one trillion, five hundred forty billion, five hundred three million, fourteen thousand, two hundred thirty-two".