61012258547 has 8 divisors (see below), whose sum is σ = 62523180720. Its totient is φ = 59502423040.

The previous prime is 61012258537. The next prime is 61012258583. The reversal of 61012258547 is 74585221016.

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 61012258547 - 2³² = 56717291251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61012258537) 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, 157397 + ... + 383142.

It is an arithmetic number, because the mean of its divisors is an integer number (7815397590).

Almost surely, 2^61012258547 is an apocalyptic number.

61012258547 is a deficient number, since it is larger than the sum of its proper divisors (1510922173).

61012258547 is a wasteful number, since it uses less digits than its factorization.

61012258547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543333.

The product of its (nonzero) digits is 134400, while the sum is 41.

The spelling of 61012258547 in words is "sixty-one billion, twelve million, two hundred fifty-eight thousand, five hundred forty-seven".