61202265355421 has 8 divisors (see below), whose sum is σ = 61808833841664. Its totient is φ = 60595708741200.

The previous prime is 61202265355393. The next prime is 61202265355423. The reversal of 61202265355421 is 12455356220216.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61202265355421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61202265355423) 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, 7578200 + ... + 13410206.

It is an arithmetic number, because the mean of its divisors is an integer number (7726104230208).

Almost surely, 2^{61202265355421} is an apocalyptic number.

It is an amenable number.

61202265355421 is a deficient number, since it is larger than the sum of its proper divisors (606568486243).

61202265355421 is a wasteful number, since it uses less digits than its factorization.

61202265355421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5936011.

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 61202265355421 in words is "sixty-one trillion, two hundred two billion, two hundred sixty-five million, three hundred fifty-five thousand, four hundred twenty-one".