61611133010 has 16 divisors (see below), whose sum is σ = 126742902336. Its totient is φ = 21123817008.

The previous prime is 61611132997. The next prime is 61611133039. The reversal of 61611133010 is 1033111616.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440079452 + ... + 440079591.

It is an arithmetic number, because the mean of its divisors is an integer number (7921431396).

Almost surely, 2^61611133010 is an apocalyptic number.

61611133010 is an abundant number, since it is smaller than the sum of its proper divisors (65131769326).

61611133010 is a wasteful number, since it uses less digits than its factorization.

61611133010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880159057.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 61611133010 its reverse (1033111616), we get a palindrome (62644244626).

The spelling of 61611133010 in words is "sixty-one billion, six hundred eleven million, one hundred thirty-three thousand, ten".