61542201235 has 8 divisors (see below), whose sum is σ = 74021199840. Its totient is φ = 49120055424.

The previous prime is 61542201233. The next prime is 61542201241. The reversal of 61542201235 is 53210224516.

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

It is a cyclic number.

It is not a de Polignac number, because 61542201235 - 2¹ = 61542201233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61542201197 and 61542201206.

It is not an unprimeable number, because it can be changed into a prime (61542201233) 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, 14210815 + ... + 14215144.

It is an arithmetic number, because the mean of its divisors is an integer number (9252649980).

Almost surely, 2^61542201235 is an apocalyptic number.

61542201235 is a deficient number, since it is larger than the sum of its proper divisors (12478998605).

61542201235 is a wasteful number, since it uses less digits than its factorization.

61542201235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28426397.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 61542201235 in words is "sixty-one billion, five hundred forty-two million, two hundred one thousand, two hundred thirty-five".