61105151656050 has 48 divisors (see below), whose sum is σ = 160454939414112. Its totient is φ = 15336194924800.

The previous prime is 61105151656049. The next prime is 61105151656051. The reversal of 61105151656050 is 5065615150116.

It is an interprime number because it is at equal distance from previous prime (61105151656049) and next prime (61105151656051).

It is a junction number, because it is equal to n+sod(n) for n = 61105151655993 and 61105151656011.

It is not an unprimeable number, because it can be changed into a prime (61105151656051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11981399736 + ... + 11981404835.

It is an arithmetic number, because the mean of its divisors is an integer number (3342811237794).

Almost surely, 2^{61105151656050} is an apocalyptic number.

61105151656050 is an abundant number, since it is smaller than the sum of its proper divisors (99349787758062).

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

61105151656050 is a wasteful number, since it uses less digits than its factorization.

61105151656050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23962804603 (or 23962804598 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 42.

The spelling of 61105151656050 in words is "sixty-one trillion, one hundred five billion, one hundred fifty-one million, six hundred fifty-six thousand, fifty".