61393129572154 has 8 divisors (see below), whose sum is σ = 92105075985408. Its totient is φ = 30691437577020.

The previous prime is 61393129572149. The next prime is 61393129572161. The reversal of 61393129572154 is 45127592139316.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2563589562 + ... + 2563613509.

It is an arithmetic number, because the mean of its divisors is an integer number (11513134498176).

Almost surely, 2^{61393129572154} is an apocalyptic number.

61393129572154 is a deficient number, since it is larger than the sum of its proper divisors (30711946413254).

61393129572154 is a wasteful number, since it uses less digits than its factorization.

61393129572154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5127209060.

The product of its digits is 12247200, while the sum is 58.

The spelling of 61393129572154 in words is "sixty-one trillion, three hundred ninety-three billion, one hundred twenty-nine million, five hundred seventy-two thousand, one hundred fifty-four".