61153411 has 4 divisors (see below), whose sum is σ = 66712824. Its totient is φ = 55594000.

The previous prime is 61153399. The next prime is 61153447. The reversal of 61153411 is 11435116.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 61153411 - 2¹⁵ = 61120643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61156411) 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, 2779690 + ... + 2779711.

It is an arithmetic number, because the mean of its divisors is an integer number (16678206).

Almost surely, 2^61153411 is an apocalyptic number.

61153411 is a deficient number, since it is larger than the sum of its proper divisors (5559413).

61153411 is a wasteful number, since it uses less digits than its factorization.

61153411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5559412.

The product of its digits is 360, while the sum is 22.

The square root of 61153411 is about 7820.0646416766. The cubic root of 61153411 is about 393.9794431286.

Adding to 61153411 its reverse (11435116), we get a palindrome (72588527).

The spelling of 61153411 in words is "sixty-one million, one hundred fifty-three thousand, four hundred eleven".