61435153206 has 24 divisors (see below), whose sum is σ = 152125141584. Its totient is φ = 17552900880.

The previous prime is 61435153183. The next prime is 61435153207. The reversal of 61435153206 is 60235153416.

61435153206 is a `hidden beast` number, since 6 + 1 + 435 + 15 + 3 + 206 = 666.

61435153206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61435153207) 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, 243790165 + ... + 243790416.

It is an arithmetic number, because the mean of its divisors is an integer number (6338547566).

Almost surely, 2^61435153206 is an apocalyptic number.

61435153206 is an abundant number, since it is smaller than the sum of its proper divisors (90689988378).

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

61435153206 is a wasteful number, since it uses less digits than its factorization.

61435153206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487580596 (or 487580593 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 61435153206 in words is "sixty-one billion, four hundred thirty-five million, one hundred fifty-three thousand, two hundred six".