61407153854043 has 8 divisors (see below), whose sum is σ = 81876476589648. Its totient is φ = 40937966843904.

The previous prime is 61407153854041. The next prime is 61407153854047. The reversal of 61407153854043 is 34045835170416.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61407153854043 - 2¹ = 61407153854041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61407153854041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32870946 + ... + 34688807.

It is an arithmetic number, because the mean of its divisors is an integer number (10234559573706).

Almost surely, 2^{61407153854043} is an apocalyptic number.

61407153854043 is a deficient number, since it is larger than the sum of its proper divisors (20469322735605).

61407153854043 is a wasteful number, since it uses less digits than its factorization.

61407153854043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67862733.

The product of its (nonzero) digits is 4838400, while the sum is 51.

The spelling of 61407153854043 in words is "sixty-one trillion, four hundred seven billion, one hundred fifty-three million, eight hundred fifty-four thousand, forty-three".