61134743514 has 32 divisors (see below), whose sum is σ = 131686833600. Its totient is φ = 18808975872.

The previous prime is 61134743507. The next prime is 61134743519. The reversal of 61134743514 is 41534743116.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (61134743519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1026937 + ... + 1084835.

It is an arithmetic number, because the mean of its divisors is an integer number (4115213550).

Almost surely, 2^61134743514 is an apocalyptic number.

61134743514 is an abundant number, since it is smaller than the sum of its proper divisors (70552090086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61134743514 is a wasteful number, since it uses less digits than its factorization.

61134743514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71454.

The product of its digits is 120960, while the sum is 39.

The spelling of 61134743514 in words is "sixty-one billion, one hundred thirty-four million, seven hundred forty-three thousand, five hundred fourteen".