11455261450 has 24 divisors (see below), whose sum is σ = 21315123468. Its totient is φ = 4580311680.

The previous prime is 11455261429. The next prime is 11455261451. The reversal of 11455261450 is 5416255411.

It can be written as a sum of positive squares in 6 ways, for example, as 1314570049 + 10140691401 = 36257^2 + 100701^2 .

It is a super-2 number, since 2×11455261450² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11455261451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88144 + ... + 175156.

Almost surely, 2^11455261450 is an apocalyptic number.

11455261450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11455261450 is a deficient number, since it is larger than the sum of its proper divisors (9859862018).

11455261450 is a wasteful number, since it uses less digits than its factorization.

11455261450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89658 (or 89653 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The spelling of 11455261450 in words is "eleven billion, four hundred fifty-five million, two hundred sixty-one thousand, four hundred fifty".