1115961910 has 32 divisors (see below), whose sum is σ = 2297191680. Its totient is φ = 382365792.

The previous prime is 1115961881. The next prime is 1115961919. The reversal of 1115961910 is 191695111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115961919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126421 + ... + 134959.

It is an arithmetic number, because the mean of its divisors is an integer number (71787240).

Almost surely, 2^1115961910 is an apocalyptic number.

1115961910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1115961910 is an abundant number, since it is smaller than the sum of its proper divisors (1181229770).

1115961910 is a wasteful number, since it uses less digits than its factorization.

1115961910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10420.

The product of its (nonzero) digits is 2430, while the sum is 34.

The square root of 1115961910 is about 33406.0160749527. The cubic root of 1115961910 is about 1037.2492365358.

The spelling of 1115961910 in words is "one billion, one hundred fifteen million, nine hundred sixty-one thousand, nine hundred ten".