61360525111 has 4 divisors (see below), whose sum is σ = 62276353912. Its totient is φ = 60444696312.

The previous prime is 61360525103. The next prime is 61360525117. The reversal of 61360525111 is 11152506316.

It is a happy number.

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 61360525111 - 2³ = 61360525103 is a prime.

It is a super-2 number, since 2×61360525111² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61360525117) 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, 457914300 + ... + 457914433.

It is an arithmetic number, because the mean of its divisors is an integer number (15569088478).

Almost surely, 2^61360525111 is an apocalyptic number.

61360525111 is a deficient number, since it is larger than the sum of its proper divisors (915828801).

61360525111 is an equidigital number, since it uses as much as digits as its factorization.

61360525111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915828800.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 61360525111 in words is "sixty-one billion, three hundred sixty million, five hundred twenty-five thousand, one hundred eleven".