61553642415006 has 64 divisors (see below), whose sum is σ = 146564966338560. Its totient is φ = 16863298606080.

The previous prime is 61553642414981. The next prime is 61553642415071. The reversal of 61553642415006 is 60051424635516.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216721491 + ... + 217005326.

It is an arithmetic number, because the mean of its divisors is an integer number (2290077599040).

Almost surely, 2^{61553642415006} is an apocalyptic number.

61553642415006 is an abundant number, since it is smaller than the sum of its proper divisors (85011323923554).

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

61553642415006 is a wasteful number, since it uses less digits than its factorization.

61553642415006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433726969.

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 61553642415006 in words is "sixty-one trillion, five hundred fifty-three billion, six hundred forty-two million, four hundred fifteen thousand, six".