61400615133 has 16 divisors (see below), whose sum is σ = 96179985216. Its totient is φ = 34349994240.

The previous prime is 61400615123. The next prime is 61400615173. The reversal of 61400615133 is 33151600416.

61400615133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61400615133 - 2¹³ = 61400606941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61400615133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61400615123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71562060 + ... + 71562917.

It is an arithmetic number, because the mean of its divisors is an integer number (6011249076).

Almost surely, 2^61400615133 is an apocalyptic number.

It is an amenable number.

61400615133 is a deficient number, since it is larger than the sum of its proper divisors (34779370083).

61400615133 is a wasteful number, since it uses less digits than its factorization.

61400615133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143125004.

The product of its (nonzero) digits is 6480, while the sum is 30.

The spelling of 61400615133 in words is "sixty-one billion, four hundred million, six hundred fifteen thousand, one hundred thirty-three".