61514614351 has 4 divisors (see below), whose sum is σ = 61682229472. Its totient is φ = 61346999232.

The previous prime is 61514614303. The next prime is 61514614411. The reversal of 61514614351 is 15341641516.

It is a happy number.

61514614351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61514614351 - 2¹⁹ = 61514090063 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 61514614351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61514614151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83807010 + ... + 83807743.

It is an arithmetic number, because the mean of its divisors is an integer number (15420557368).

Almost surely, 2^61514614351 is an apocalyptic number.

61514614351 is a deficient number, since it is larger than the sum of its proper divisors (167615121).

61514614351 is a wasteful number, since it uses less digits than its factorization.

61514614351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167615120.

The product of its digits is 43200, while the sum is 37.

The spelling of 61514614351 in words is "sixty-one billion, five hundred fourteen million, six hundred fourteen thousand, three hundred fifty-one".