61331100026 has 32 divisors (see below), whose sum is σ = 108021781632. Its totient is φ = 25564610880.

The previous prime is 61331100023. The next prime is 61331100097. The reversal of 61331100026 is 62000113316.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 61331099974 and 61331100010.

It is not an unprimeable number, because it can be changed into a prime (61331100023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1427681 + ... + 1470011.

It is an arithmetic number, because the mean of its divisors is an integer number (3375680676).

Almost surely, 2^61331100026 is an apocalyptic number.

61331100026 is a deficient number, since it is larger than the sum of its proper divisors (46690681606).

61331100026 is a wasteful number, since it uses less digits than its factorization.

61331100026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45174.

The product of its (nonzero) digits is 648, while the sum is 23.

The spelling of 61331100026 in words is "sixty-one billion, three hundred thirty-one million, one hundred thousand, twenty-six".