61151010 has 64 divisors (see below), whose sum is σ = 152668800. Its totient is φ = 15662592.

The previous prime is 61150961. The next prime is 61151011. The reversal of 61151010 is 1015116.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61151011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98481 + ... + 99099.

It is an arithmetic number, because the mean of its divisors is an integer number (2385450).

Almost surely, 2^61151010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61151010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76334400).

61151010 is an abundant number, since it is smaller than the sum of its proper divisors (91517790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61151010 is a wasteful number, since it uses less digits than its factorization.

61151010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755.

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 61151010 is about 7819.9111248147. The cubic root of 61151010 is about 393.9742869320.

Adding to 61151010 its reverse (1015116), we get a palindrome (62166126).

The spelling of 61151010 in words is "sixty-one million, one hundred fifty-one thousand, ten".