61114628538 has 24 divisors (see below), whose sum is σ = 132731071200. Its totient is φ = 20322920904.

The previous prime is 61114628387. The next prime is 61114628539. The reversal of 61114628538 is 83582641116.

61114628538 is a `hidden beast` number, since 6 + 1 + 1 + 14 + 628 + 5 + 3 + 8 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 61114628493 and 61114628502.

It is not an unprimeable number, because it can be changed into a prime (61114628539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4044078 + ... + 4059161.

It is an arithmetic number, because the mean of its divisors is an integer number (5530461300).

Almost surely, 2^61114628538 is an apocalyptic number.

61114628538 is an abundant number, since it is smaller than the sum of its proper divisors (71616442662).

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

61114628538 is a wasteful number, since it uses less digits than its factorization.

61114628538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8103666 (or 8103663 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The spelling of 61114628538 in words is "sixty-one billion, one hundred fourteen million, six hundred twenty-eight thousand, five hundred thirty-eight".