11441257155497 has 16 divisors (see below), whose sum is σ = 12482671165440. Its totient is φ = 10423003136832.

The previous prime is 11441257155473. The next prime is 11441257155533. The reversal of 11441257155497 is 79455175214411.

It is a happy number.

It is not a de Polignac number, because 11441257155497 - 2¹⁰ = 11441257154473 is a prime.

It is a super-2 number, since 2×11441257155497² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11441257155407) 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, 8408 + ... + 4783574.

It is an arithmetic number, because the mean of its divisors is an integer number (780166947840).

Almost surely, 2^{11441257155497} is an apocalyptic number.

It is an amenable number.

11441257155497 is a deficient number, since it is larger than the sum of its proper divisors (1041414009943).

11441257155497 is a wasteful number, since it uses less digits than its factorization.

11441257155497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4777592.

The product of its digits is 7056000, while the sum is 56.

The spelling of 11441257155497 in words is "eleven trillion, four hundred forty-one billion, two hundred fifty-seven million, one hundred fifty-five thousand, four hundred ninety-seven".