1153971455 has 16 divisors (see below), whose sum is σ = 1704327744. Its totient is φ = 730425600.

The previous prime is 1153971443. The next prime is 1153971457. The reversal of 1153971455 is 5541793511.

It is not a de Polignac number, because 1153971455 - 2⁶ = 1153971391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153971457) 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, 1267646 + ... + 1268555.

It is an arithmetic number, because the mean of its divisors is an integer number (106520484).

Almost surely, 2^1153971455 is an apocalyptic number.

1153971455 is a deficient number, since it is larger than the sum of its proper divisors (550356289).

1153971455 is a wasteful number, since it uses less digits than its factorization.

1153971455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2536226.

The product of its digits is 94500, while the sum is 41.

The square root of 1153971455 is about 33970.1553573133. The cubic root of 1153971455 is about 1048.8942115291.

The spelling of 1153971455 in words is "one billion, one hundred fifty-three million, nine hundred seventy-one thousand, four hundred fifty-five".