61051101000 has 64 divisors (see below), whose sum is σ = 190479444480. Its totient is φ = 16280292800.

The previous prime is 61051100989. The next prime is 61051101011. The reversal of 61051101000 is 10115016.

It is an interprime number because it is at equal distance from previous prime (61051100989) and next prime (61051101011).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10172184 + ... + 10178183.

It is an arithmetic number, because the mean of its divisors is an integer number (2976241320).

Almost surely, 2^61051101000 is an apocalyptic number.

61051101000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61051101000 is an abundant number, since it is smaller than the sum of its proper divisors (129428343480).

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

61051101000 is a wasteful number, since it uses less digits than its factorization.

61051101000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20350391 (or 20350377 counting only the distinct ones).

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

Adding to 61051101000 its reverse (10115016), we get a palindrome (61061216016).

The spelling of 61051101000 in words is "sixty-one billion, fifty-one million, one hundred one thousand".