11415612450 has 48 divisors (see below), whose sum is σ = 30884425056. Its totient is φ = 2767420800.

The previous prime is 11415612419. The next prime is 11415612457. The reversal of 11415612450 is 5421651411.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11415612457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3457627 + ... + 3460926.

It is an arithmetic number, because the mean of its divisors is an integer number (643425522).

Almost surely, 2^11415612450 is an apocalyptic number.

11415612450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11415612450 is an abundant number, since it is smaller than the sum of its proper divisors (19468812606).

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

11415612450 is a wasteful number, since it uses less digits than its factorization.

11415612450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6918579 (or 6918574 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The spelling of 11415612450 in words is "eleven billion, four hundred fifteen million, six hundred twelve thousand, four hundred fifty".