61367715542 has 24 divisors (see below), whose sum is σ = 107092758240. Its totient is φ = 26297414640.

The previous prime is 61367715527. The next prime is 61367715569. The reversal of 61367715542 is 24551776316.

61367715542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×61367715542³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 955667 + ... + 1017857.

It is an arithmetic number, because the mean of its divisors is an integer number (4462198260).

Almost surely, 2^61367715542 is an apocalyptic number.

61367715542 is a deficient number, since it is larger than the sum of its proper divisors (45725042698).

61367715542 is a wasteful number, since it uses less digits than its factorization.

61367715542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72276 (or 72269 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 47.

The spelling of 61367715542 in words is "sixty-one billion, three hundred sixty-seven million, seven hundred fifteen thousand, five hundred forty-two".