61137011 has 8 divisors (see below), whose sum is σ = 66138240. Its totient is φ = 56178432.

The previous prime is 61137007. The next prime is 61137029. The reversal of 61137011 is 11073116.

61137011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61137011 - 2² = 61137007 is a prime.

It is a super-2 number, since 2×61137011² = 7475468228028242, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (61137001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7646 + ... + 13443.

It is an arithmetic number, because the mean of its divisors is an integer number (8267280).

Almost surely, 2^61137011 is an apocalyptic number.

61137011 is a deficient number, since it is larger than the sum of its proper divisors (5001229).

61137011 is a wasteful number, since it uses less digits than its factorization.

61137011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21325.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 61137011 is about 7819.0159866827. The cubic root of 61137011 is about 393.9442211056.

The spelling of 61137011 in words is "sixty-one million, one hundred thirty-seven thousand, eleven".