1151554457 has 2 divisors, whose sum is σ = 1151554458. Its totient is φ = 1151554456.

The previous prime is 1151554421. The next prime is 1151554493. The reversal of 1151554457 is 7544551511.

It is a balanced prime because it is at equal distance from previous prime (1151554421) and next prime (1151554493).

It can be written as a sum of positive squares in only one way, i.e., 927872521 + 223681936 = 30461^2 + 14956^2 .

It is a cyclic number.

It is not a de Polignac number, because 1151554457 - 2¹⁸ = 1151292313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1151554457.

It is not a weakly prime, because it can be changed into another prime (1151554057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575777228 + 575777229.

It is an arithmetic number, because the mean of its divisors is an integer number (575777229).

Almost surely, 2^1151554457 is an apocalyptic number.

It is an amenable number.

1151554457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151554457 is an equidigital number, since it uses as much as digits as its factorization.

1151554457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70000, while the sum is 38.

The square root of 1151554457 is about 33934.5613939535. The cubic root of 1151554457 is about 1048.1613952359.

The spelling of 1151554457 in words is "one billion, one hundred fifty-one million, five hundred fifty-four thousand, four hundred fifty-seven".