1101512400553 has 4 divisors (see below), whose sum is σ = 1112206695808. Its totient is φ = 1090818105300.

The previous prime is 1101512400509. The next prime is 1101512400563. The reversal of 1101512400553 is 3550042151011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1101512400553 - 2²⁵ = 1101478846121 is a prime.

It is a super-3 number, since 3×1101512400553³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101512400563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5347147473 + ... + 5347147678.

It is an arithmetic number, because the mean of its divisors is an integer number (278051673952).

Almost surely, 2^{1101512400553} is an apocalyptic number.

It is an amenable number.

1101512400553 is a deficient number, since it is larger than the sum of its proper divisors (10694295255).

1101512400553 is a wasteful number, since it uses less digits than its factorization.

1101512400553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10694295254.

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 1101512400553 its reverse (3550042151011), we get a palindrome (4651554551564).

The spelling of 1101512400553 in words is "one trillion, one hundred one billion, five hundred twelve million, four hundred thousand, five hundred fifty-three".