61141955 has 24 divisors (see below), whose sum is σ = 85691520. Its totient is φ = 41758080.

The previous prime is 61141939. The next prime is 61141957. The reversal of 61141955 is 55914116.

It is not a de Polignac number, because 61141955 - 2⁴ = 61141939 is a prime.

It is a super-2 number, since 2×61141955² = 7476677322444050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61141957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117095 + ... + 117615.

It is an arithmetic number, because the mean of its divisors is an integer number (3570480).

Almost surely, 2^61141955 is an apocalyptic number.

61141955 is a deficient number, since it is larger than the sum of its proper divisors (24549565).

61141955 is a wasteful number, since it uses less digits than its factorization.

61141955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019 (or 1012 counting only the distinct ones).

The product of its digits is 5400, while the sum is 32.

The square root of 61141955 is about 7819.3321326057. The cubic root of 61141955 is about 393.9548399200.

The spelling of 61141955 in words is "sixty-one million, one hundred forty-one thousand, nine hundred fifty-five".