61235314291 has 8 divisors (see below), whose sum is σ = 62769420000. Its totient is φ = 59703140160.

The previous prime is 61235314279. The next prime is 61235314303. The reversal of 61235314291 is 19241353216.

It is an interprime number because it is at equal distance from previous prime (61235314279) and next prime (61235314303).

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 61235314291 - 2⁷ = 61235314163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61235314291.

It is not an unprimeable number, because it can be changed into a prime (61235314201) 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, 418591 + ... + 545608.

It is an arithmetic number, because the mean of its divisors is an integer number (7846177500).

Almost surely, 2^61235314291 is an apocalyptic number.

61235314291 is a deficient number, since it is larger than the sum of its proper divisors (1534105709).

61235314291 is a wasteful number, since it uses less digits than its factorization.

61235314291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965789.

The product of its digits is 38880, while the sum is 37.

The spelling of 61235314291 in words is "sixty-one billion, two hundred thirty-five million, three hundred fourteen thousand, two hundred ninety-one".