61140087411 has 8 divisors (see below), whose sum is σ = 87790894800. Its totient is φ = 37624669152.

The previous prime is 61140087409. The next prime is 61140087413. The reversal of 61140087411 is 11478004116.

It is an interprime number because it is at equal distance from previous prime (61140087409) and next prime (61140087413).

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

It is not a de Polignac number, because 61140087411 - 2¹ = 61140087409 is a prime.

It is a super-2 number, since 2×61140087411² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61140087413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 783847236 + ... + 783847313.

It is an arithmetic number, because the mean of its divisors is an integer number (10973861850).

Almost surely, 2^61140087411 is an apocalyptic number.

61140087411 is a deficient number, since it is larger than the sum of its proper divisors (26650807389).

61140087411 is a wasteful number, since it uses less digits than its factorization.

61140087411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567694565.

The product of its (nonzero) digits is 5376, while the sum is 33.

The spelling of 61140087411 in words is "sixty-one billion, one hundred forty million, eighty-seven thousand, four hundred eleven".