61253815151 has 16 divisors (see below), whose sum is σ = 63654251520. Its totient is φ = 58880338560.

The previous prime is 61253815121. The next prime is 61253815153. The reversal of 61253815151 is 15151835216.

It is a happy number.

It is not a de Polignac number, because 61253815151 - 2²² = 61249620847 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 (61253815153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16738760 + ... + 16742418.

It is an arithmetic number, because the mean of its divisors is an integer number (3978390720).

Almost surely, 2^61253815151 is an apocalyptic number.

61253815151 is a deficient number, since it is larger than the sum of its proper divisors (2400436369).

61253815151 is a wasteful number, since it uses less digits than its factorization.

61253815151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7166.

The product of its digits is 36000, while the sum is 38.

The spelling of 61253815151 in words is "sixty-one billion, two hundred fifty-three million, eight hundred fifteen thousand, one hundred fifty-one".