61051105510050 has 96 divisors (see below), whose sum is σ = 156489256314432. Its totient is φ = 15739393063680.

The previous prime is 61051105510037. The next prime is 61051105510097. The reversal of 61051105510050 is 5001550115016.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 34161132 + ... + 35903831.

It is an arithmetic number, because the mean of its divisors is an integer number (1630096419942).

Almost surely, 2^{61051105510050} is an apocalyptic number.

61051105510050 is an abundant number, since it is smaller than the sum of its proper divisors (95438150804382).

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

61051105510050 is a wasteful number, since it uses less digits than its factorization.

61051105510050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70065172 (or 70065167 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 30.

Adding to 61051105510050 its reverse (5001550115016), we get a palindrome (66052655625066).

The spelling of 61051105510050 in words is "sixty-one trillion, fifty-one billion, one hundred five million, five hundred ten thousand, fifty".