61111701 has 12 divisors (see below), whose sum is σ = 100882912. Its totient is φ = 34920936.

The previous prime is 61111697. The next prime is 61111709. The reversal of 61111701 is 10711116.

It is not a de Polignac number, because 61111701 - 2² = 61111697 is a prime.

It is a super-2 number, since 2×61111701² = 7469279998226802, which 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 (61111709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 484951 + ... + 485076.

Almost surely, 2^61111701 is an apocalyptic number.

It is an amenable number.

61111701 is a deficient number, since it is larger than the sum of its proper divisors (39771211).

61111701 is a wasteful number, since it uses less digits than its factorization.

61111701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970040 (or 970037 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 18.

The square root of 61111701 is about 7817.3973290348. The cubic root of 61111701 is about 393.8898508514.

Adding to 61111701 its reverse (10711116), we get a palindrome (71822817).

The spelling of 61111701 in words is "sixty-one million, one hundred eleven thousand, seven hundred one".