61421271175098 has 40 divisors (see below), whose sum is σ = 138847101743988. Its totient is φ = 20292573361536.

The previous prime is 61421271175079. The next prime is 61421271175127. The reversal of 61421271175098 is 89057117212416.

61421271175098 is a `hidden beast` number, since 6 + 1 + 4 + 2 + 12 + 7 + 117 + 509 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 59033513788929 + 2387757386169 = 7683327^2 + 1545237^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1677608461 + ... + 1677645072.

Almost surely, 2^{61421271175098} is an apocalyptic number.

61421271175098 is an abundant number, since it is smaller than the sum of its proper divisors (77425830568890).

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

61421271175098 is a wasteful number, since it uses less digits than its factorization.

61421271175098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3355253660 (or 3355253651 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 54.

It can be divided in two parts, 6142127 and 1175098, that added together give a triangular number (7317225 = T₃₈₂₅).

The spelling of 61421271175098 in words is "sixty-one trillion, four hundred twenty-one billion, two hundred seventy-one million, one hundred seventy-five thousand, ninety-eight".