61008187228 has 6 divisors (see below), whose sum is σ = 106764327656. Its totient is φ = 30504093612.

The previous prime is 61008187211. The next prime is 61008187241. The reversal of 61008187228 is 82278180016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7626023400 + ... + 7626023407.

Almost surely, 2^61008187228 is an apocalyptic number.

It is an amenable number.

61008187228 is a deficient number, since it is larger than the sum of its proper divisors (45756140428).

61008187228 is a wasteful number, since it uses less digits than its factorization.

61008187228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15252046811 (or 15252046809 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 43.

The spelling of 61008187228 in words is "sixty-one billion, eight million, one hundred eighty-seven thousand, two hundred twenty-eight".