61061227011240 has 64 divisors (see below), whose sum is σ = 183187158811200. Its totient is φ = 16282684733952.

The previous prime is 61061227011229. The next prime is 61061227011313. The reversal of 61061227011240 is 4211072216016.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1551796 + ... + 11159324.

It is an arithmetic number, because the mean of its divisors is an integer number (2862299356425).

Almost surely, 2^{61061227011240} is an apocalyptic number.

61061227011240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61061227011240 is an abundant number, since it is smaller than the sum of its proper divisors (122125931799960).

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

61061227011240 is a wasteful number, since it uses less digits than its factorization.

61061227011240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9660506 (or 9660502 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

Adding to 61061227011240 its reverse (4211072216016), we get a palindrome (65272299227256).

The spelling of 61061227011240 in words is "sixty-one trillion, sixty-one billion, two hundred twenty-seven million, eleven thousand, two hundred forty".