61405005514 has 32 divisors (see below), whose sum is σ = 93085977600. Its totient is φ = 30378773760.

The previous prime is 61405005463. The next prime is 61405005517. The reversal of 61405005514 is 41550050416.

It is not an unprimeable number, because it can be changed into a prime (61405005517) 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, 73187907 + ... + 73188745.

It is an arithmetic number, because the mean of its divisors is an integer number (2908936800).

Almost surely, 2^61405005514 is an apocalyptic number.

61405005514 is a deficient number, since it is larger than the sum of its proper divisors (31680972086).

61405005514 is a wasteful number, since it uses less digits than its factorization.

61405005514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1878.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 61405005514 in words is "sixty-one billion, four hundred five million, five thousand, five hundred fourteen".